Curated Shelf

Geology

Earth sciences, mineralogy, paleontology, and geological surveys.

1020 WorksDrawn from Project Gutenberg Bookshelf #670

Color Images from Mars Rovers Spirit and Opportunity
Webster, Bob
24,145 Gutenberg downloadsen2004Difficulty 58 (Graduate)
Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.
Atkinson, George Francis
18,806 Gutenberg downloadsen2008Difficulty 50 (College)
Manures and the principles of manuring
Aikman, Charles Morton
15,971 Gutenberg downloadsen2008Difficulty 80 (Expert)
The Economic Aspect of Geology
Leith, C. K. (Charles Kenneth)
12,741 Gutenberg downloadsen2009Difficulty 100 (Quantum Electrodynamics)
The Variation of Animals and Plants Under Domestication, Vol. I.
Darwin, Charles
10,880 Gutenberg downloadsen2008Difficulty 67 (Academic)
Wealth of the World's Waste Places and Oceania
Gilson, Jewett C. (Jewett Castello)
10,338 Gutenberg downloadsen2007Difficulty 57 (Graduate)
A Study of Recent Earthquakes
Davison, Charles
10,172 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Elements of Agricultural Chemistry
Anderson, Thomas
8,861 Gutenberg downloadsen2008Difficulty 64 (Academic)
Mysteries of Bee-keeping Explained
Quinby, M. (Moses)
8,619 Gutenberg downloadsen2008Difficulty 78 (Expert)
The Toilers of the Field
Jefferies, Richard
8,470 Gutenberg downloadsen2008Difficulty 46 (College)
Health on the Farm: A Manual of Rural Sanitation and Hygiene
Harris, H. F. (Henry Fauntleroy)
7,418 Gutenberg downloadsen2008Difficulty 63 (Academic)
The Book of the National Parks
Yard, Robert Sterling
7,390 Gutenberg downloadsen2008Difficulty 62 (Academic)
Cattle and Their Diseases Embracing Their History and Breeds, Crossing and Breeding, and Feeding and Management; with the Diseases to Which They Are Subject, and the Remedies Best Adapted to Their Cure
Jennings, Robert
7,140 Gutenberg downloadsen2007Difficulty 67 (Academic)
El Mar
Michelet, Jules
6,593 Gutenberg downloadses2008
The Book of the Damned
Fort, Charles
5,902 Gutenberg downloadsen2007Difficulty 59 (Graduate)
Chapters in Rural Progress
Butterfield, Kenyon L. (Kenyon Leech)
5,270 Gutenberg downloadsen2008Difficulty 59 (Graduate)
The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock
Cameron, Charles Alexander, Sir
5,048 Gutenberg downloadsen2008Difficulty 59 (Graduate)
Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953
Unknown
5,018 Gutenberg downloadsen2008Difficulty 56 (Graduate)
The Cauliflower
Crozier, A. A. (Arthur Alger)
4,960 Gutenberg downloadsen2009Difficulty 57 (Graduate)
Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948
Unknown
4,882 Gutenberg downloadsen2008Difficulty 59 (Graduate)
Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying
Russell, H. L. (Harry Luman)
4,836 Gutenberg downloadsen2009Difficulty 62 (Academic)
Species Plantarum, Sections IV-V
Linné, Carl von
4,115 Gutenberg downloadsla2008
Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952
Unknown
4,092 Gutenberg downloadsen2008Difficulty 55 (Graduate)
Village Improvements and Farm Villages
Waring, George E. (George Edwin)
4,082 Gutenberg downloadsen2008Difficulty 63 (Academic)
Crops and Methods for Soil Improvement
Agee, Alva
4,045 Gutenberg downloadsen2007Difficulty 66 (Academic)
Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report Wooster, Ohio, September 3, 4, 5, 1946
Unknown
4,043 Gutenberg downloadsen2008Difficulty 48 (College)
Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles
French, Henry F. (Henry Flagg)
4,015 Gutenberg downloadsen2007Difficulty 50 (College)
Die Philippinen und ihre Bewohner Sechs Skizzen
Semper, C. (Carl)
3,899 Gutenberg downloadsde2008
Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting New York City, September 3, 4 and 5, 1924
Unknown
3,872 Gutenberg downloadsen2008Difficulty 50 (College)
Peat and its Uses as Fertilizer and Fuel
Johnson, Samuel W. (Samuel William)
3,830 Gutenberg downloadsen2008Difficulty 57 (Graduate)
Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17
Schlebecker, John T.
3,723 Gutenberg downloadsen2008Difficulty 59 (Graduate)
The Voyage of the Beagle
Darwin, Charles
3,483 Gutenberg downloadsen1997Difficulty 56 (Graduate)
De Re Metallica, Translated from the First Latin Edition of 1556
Agricola, Georg
3,381 Gutenberg downloadsen2011Difficulty 64 (Academic)
Northern Nut Growers Association, Report of the Proceedings at the Seventh Annual Meeting Washington, D. C. September 8 and 9, 1916.
Unknown
3,131 Gutenberg downloadsen2008Difficulty 50 (College)
Diggers in the Earth
Tappan, Eva March
3,093 Gutenberg downloadsen2008Difficulty 39 (High School)
Right Use of Lime in Soil Improvement
Agee, Alva
3,063 Gutenberg downloadsen2008Difficulty 57 (Graduate)
The English Husbandman The First Part: Contayning the Knowledge of the true Nature of euery Soyle within this Kingdome: how to Plow it; and the manner of the Plough, and other Instruments
Markham, Gervase
2,898 Gutenberg downloadsen2007Difficulty 69 (Academic)
The Natural History of Pliny, Volume 2 (of 6)
Pliny, the Elder
2,834 Gutenberg downloadsen2019Difficulty 40 (High School)
The Apple-Tree The Open Country Books—No. 1
Bailey, L. H. (Liberty Hyde)
2,820 Gutenberg downloadsen2008Difficulty 47 (College)
The art of promoting the growth of the cucumber and melon in a series of directions for the best means to be adopted in bringing them to a complete state of perfection
Watkins, Thomas
2,770 Gutenberg downloadsen2008Difficulty 60 (Graduate)
Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.
American Society of Civil Engineers & Hardy, E. D.
2,759 Gutenberg downloadsen2008Difficulty 49 (College)
Memoria sobre a cultura, e productos da cana de assucar
Gomes, José Caetano
2,551 Gutenberg downloadspt2008
Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae
Russell, Robert J.
2,402 Gutenberg downloadsen2012Difficulty 65 (Academic)
The Cultivation of The Native Grape, and Manufacture of American Wines
Husmann, George
2,373 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting Battle Creek, Michigan, September 10 and 11, 1934
Unknown
2,228 Gutenberg downloadsen2007Difficulty 51 (Graduate)
Rollo's Philosophy. [Air]
Abbott, Jacob
2,090 Gutenberg downloadsen2008Difficulty 37 (High School)
Northern Nut Growers Association Thirty-Fourth Annual Report 1943
Unknown
2,007 Gutenberg downloadsen2007Difficulty 47 (College)
How to Use the Popular Science Library; History of Science; General Index
Serviss, Garrett Putman & Selwyn-Brown, Arthur
1,718 Gutenberg downloadsen2016Difficulty 64 (Academic)
The Natural History of Pliny, Volume 4 (of 6)
Pliny, the Elder
1,686 Gutenberg downloadsen2020Difficulty 44 (College)
Micrographia Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon
Hooke, Robert
1,581 Gutenberg downloadsen2005Difficulty 76 (Expert)
Fruits of Queensland
Benson, Albert H. (Albert Henry)
1,511 Gutenberg downloadsen2008Difficulty 70 (Academic)
Vestiges of the Natural History of Creation
Chambers, Robert
1,500 Gutenberg downloadsen2004Difficulty 66 (Academic)
Cave Hunting Researches on the evidence of caves respecting the early inhabitants of Europe
Dawkins, William Boyd
1,484 Gutenberg downloadsen2016Difficulty 77 (Expert)
Handbook of Birmingham Prepared for the Members of the British Association, 1886
British Association for the Advancement of Science
1,428 Gutenberg downloadsen2015Difficulty 51 (Graduate)
Roman Farm Management: The Treatises of Cato and Varro
Cato, Marcus Porcius & Varro, Marcus Terentius
1,404 Gutenberg downloadsen2004Difficulty 46 (College)
Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947
Unknown
1,394 Gutenberg downloadsen2007Difficulty 49 (College)
Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings
Loomis, Frederic Brewster
1,370 Gutenberg downloadsen2017Difficulty 50 (College)
The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914
Mawson, Douglas, Sir
1,366 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1
Humboldt, Alexander von
1,334 Gutenberg downloadsen2005Difficulty 67 (Academic)
Texas Fossils: An Amateur Collector's Handbook
Matthews, William Henry
1,334 Gutenberg downloadsen2018Difficulty 69 (Academic)
The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age
Menzel, Donald H. (Donald Howard) & Boyd, Lyle Gifford
1,288 Gutenberg downloadsen2021Difficulty 63 (Academic)
The sidereal messenger of Galileo Galilei : $b and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries
Galilei, Galileo & Kepler, Johannes
1,252 Gutenberg downloadsen2014Difficulty 70 (Academic)
The Commercial Products of the Vegetable Kingdom Considered in Their Various Uses to Man and in Their Relation to the Arts and Manufactures; Forming a Practical Treatise & Handbook of Reference for the Colonist, Manufacturer, Merchant, and Consumer, on the Cultivation, Preparation for Shipment, and Commercial Value, &c. of the Various Substances Obtained From Trees and Plants, Entering into the Husbandry of Tropical and Sub-tropical Regions, &c.
Simmonds, P. L. (Peter Lund)
1,246 Gutenberg downloadsen2005Difficulty 56 (Graduate)
The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told
Thomson, J. Arthur (John Arthur)
1,241 Gutenberg downloadsen2007Difficulty 66 (Academic)
Views of nature: or Contemplations on the sublime phenomena of creation with scientific illustrations
Humboldt, Alexander von
1,238 Gutenberg downloadsen2022Difficulty 61 (Academic)
One Hundred Proofs That the Earth Is Not a Globe
Carpenter, William
1,154 Gutenberg downloadsen2017Difficulty 44 (College)
A Short History of English Agriculture
Curtler, W. H. R. (William Henry Ricketts)
1,137 Gutenberg downloadsen2005Difficulty 54 (Graduate)
The Common Rocks and Minerals of Missouri
Keller, W. D.
1,136 Gutenberg downloadsen2019Difficulty 60 (Graduate)
Journal of Researches into the Natural History and Geology of the Countries Visited During the Voyage Round the World of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N.
Darwin, Charles
1,126 Gutenberg downloadsen2003Difficulty 66 (Academic)
Sylva; Or, A Discourse of Forest Trees. Vol. 1 (of 2)
Evelyn, John
1,115 Gutenberg downloadsen2007Difficulty 59 (Graduate)
The autobiography of Arthur Young : $b with selections from his correspondence
Young, Arthur
1,107 Gutenberg downloadsen2024Difficulty 59 (Graduate)
Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.
Tissandier, Gaston
1,106 Gutenberg downloadsen2016Difficulty 62 (Academic)
The Andes and the Amazon; Or, Across the Continent of South America
Orton, James
1,097 Gutenberg downloadsen2006Difficulty 55 (Graduate)
Origin of Cultivated Plants The International Scientific Series Volume XLVIII
Candolle, Alphonse de
1,080 Gutenberg downloadsen2014Difficulty 62 (Academic)
The Mechanical Properties of Wood Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing
Record, Samuel J. (Samuel James)
1,058 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Man and Nature; Or, Physical Geography as Modified by Human Action
Marsh, George P. (George Perkins)
1,056 Gutenberg downloadsen2011Difficulty 61 (Academic)
Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4
Various
1,016 Gutenberg downloadsen2013Difficulty 67 (Academic)
Texas Rocks and Minerals: An Amateur's Guide
Girard, Roselle M.
999 Gutenberg downloadsen2016Difficulty 66 (Academic)
Volcanoes: Past and Present
Hull, Edward
994 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Tobacco; Its History, Varieties, Culture, Manufacture and Commerce
Billings, E. R.
987 Gutenberg downloadsen2008Difficulty 59 (Graduate)
A Text-Book of Astronomy
Comstock, George C. (George Cary)
979 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Australian insects
Froggatt, Walter W. (Walter Wilson)
975 Gutenberg downloadsen2025Difficulty 52 (Graduate)
Theory of the Earth, With Proofs and Illustrations, Volume 1 (of 4)
Hutton, James
970 Gutenberg downloadsen2004Difficulty 67 (Academic)
Agriculture for Beginners Revised Edition
Burkett, Charles William & Hill, Daniel Harvey & Stevens, Frank Lincoln
952 Gutenberg downloadsen2007Difficulty 44 (College)
Canyons of the Colorado
Powell, John Wesley
951 Gutenberg downloadsen2005Difficulty 44 (College)
The grapes of New York
Hedrick, U. P.
951 Gutenberg downloadsen2014Difficulty 63 (Academic)
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2
Humboldt, Alexander von & Bonpland, Aimé
949 Gutenberg downloadsen2004Difficulty 58 (Graduate)
The Subterranean World
Hartwig, G. (Georg)
949 Gutenberg downloadsen2016Difficulty 84 (Specialist)
Earth Features and Their Meaning An Introduction to Geology for the Student and the General Reader
Hobbs, William Herbert
946 Gutenberg downloadsen2015Difficulty 86 (Specialist)
The Flying Saucers are Real
Keyhoe, Donald E. (Donald Edward)
933 Gutenberg downloadsen2004Difficulty 44 (College)
Scientific American Supplement, No. 841, February 13, 1892
Various
927 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Gem-Stones and Their Distinctive Characters
Smith, George Frederick Herbert
915 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Principles of Geology or, The Modern Changes of the Earth and its Inhabitants Considered as Illustrative of Geology
Lyell, Charles, Sir
915 Gutenberg downloadsen2010Difficulty 67 (Academic)
Fiue hundred pointes of good husbandrie
Tusser, Thomas
905 Gutenberg downloadsen2016Difficulty 50 (College)
The Ancient Life History of the Earth A Comprehensive Outline of the Principles and Leading Facts of Palæontological Science
Nicholson, Henry Alleyne
904 Gutenberg downloadsen2004Difficulty 76 (Expert)
The Formation of Vegetable Mould Through the Action of Worms With Observations on Their Habits
Darwin, Charles
884 Gutenberg downloadsen2000Difficulty 63 (Academic)
Rural Wealth and Welfare: Economic Principles Illustrated and Applied in Farm Life
Fairchild, Geo. T. (George Thompson)
877 Gutenberg downloadsen2010Difficulty 56 (Graduate)
American Pomology. Apples
Warder, J. A. (John Aston)
868 Gutenberg downloadsen2011Difficulty 64 (Academic)
Terrestrial and Celestial Globes Volume 2 Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and Astronomy
Stevenson, Edward Luther
868 Gutenberg downloadsen2012Difficulty 58 (Graduate)
Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
Humboldt, Alexander von & Bonpland, Aimé
865 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The music of the spheres : $b A nature lover's astronomy
Grondal, Florence Armstrong
863 Gutenberg downloadsen2023Difficulty 64 (Academic)
Encyclopaedia Britannica, 11th Edition, "Joints" to "Justinian I." Volume 15, Slice 5
Various
860 Gutenberg downloadsen2012Difficulty 65 (Academic)
The Raisin Industry A practical treatise on the raisin grapes, their history, culture and curing
Eisen, Gustavus A.
850 Gutenberg downloadsen2017Difficulty 63 (Academic)
The Desert World
Mangin, Arthur
847 Gutenberg downloadsen2013Difficulty 60 (Graduate)
Ukraine, the land and its people : $b an introduction to its geography
Rudnytskyi, Stepan
837 Gutenberg downloadsen2023Difficulty 65 (Academic)
Some Salient Points in the Science of the Earth
Dawson, John William, Sir
832 Gutenberg downloadsen2019Difficulty 61 (Academic)
Domestic Animals History and description of the horse, mule, cattle, sheep, swine, poultry and farm dogs; with directions for their management, breeding, crossing, rearing, feeding, and preparation for a profitable market; also their diseases and remedies. Together with full directions for the management of the dairy.
Allen, Richard Lamb
830 Gutenberg downloadsen2010Difficulty 72 (Expert)
George Washington: Farmer Being an Account of His Home Life and Agricultural Activities
Haworth, Paul Leland
829 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The agricultural and forest products of British West Africa
Dudgeon, Gerald C. (Gerald Cecil)
829 Gutenberg downloadsen2023Difficulty 64 (Academic)
The First Book of Farming
Goodrich, C. L. (Charles Landon)
828 Gutenberg downloadsen2005Difficulty 48 (College)
Histoire des légumes
Gibault, Georges
824 Gutenberg downloadsfr2021
Coral Reefs
Darwin, Charles
823 Gutenberg downloadsen2001Difficulty 57 (Graduate)
Reflections on the Decline of Science in England, and on Some of Its Causes
Babbage, Charles
823 Gutenberg downloadsen1998Difficulty 63 (Academic)
The History of Creation, Vol. 1 (of 2) Or the Development of the Earth and its Inhabitants by the Action of Natural Causes
Haeckel, Ernst
823 Gutenberg downloadsen2012Difficulty 64 (Academic)
American Forest Trees
Gibson, Henry H.
821 Gutenberg downloadsen2013Difficulty 50 (College)
Tobacco Leaves: Being a Book of Facts for Smokers
Brennan, William Augustine
820 Gutenberg downloadsen2011Difficulty 53 (Graduate)
A Treatise on Meteorological Instruments Explanatory of Their Scientific Principles, Method of Construction, and Practical Utility
Negretti, Enrico Angelo Lodovico & Zambra, Joseph
816 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Northern Nut Growers Association, Report of the Proceedings at the Third Annual Meeting Lancaster, Pennsylvania, December 18 and 19, 1912
Unknown
807 Gutenberg downloadsen2007Difficulty 51 (Graduate)
The Scientific Monthly, October to December, 1915
Various
802 Gutenberg downloadsen1997Difficulty 64 (Academic)
The Antiquity of Man
Lyell, Charles, Sir
797 Gutenberg downloadsen2004Difficulty 57 (Graduate)
Aërial Navigation A Popular Treatise on the Growth of Air Craft and on Aëronautical Meteorology
Zahm, Albert Francis
795 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Fragments of Earth Lore: Sketches & Addresses Geological and Geographical
Geikie, James
795 Gutenberg downloadsen2014Difficulty 64 (Academic)
The wonders of the world : $b a complete museum, descriptive and pictorial, of the wonderful phenomena and results of nature, science and art
Abbott, John Loraine
794 Gutenberg downloadsen2025Difficulty 77 (Expert)
The pears of New York
Hedrick, U. P.
790 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The Student's Elements of Geology
Lyell, Charles, Sir
788 Gutenberg downloadsen2003Difficulty 56 (Graduate)
Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia) Report on the Scientific Results of the Voyage of H.M.S. Challenger During the Years 1873-76, Vol. XVIII
Haeckel, Ernst
785 Gutenberg downloadsen2013Difficulty 64 (Academic)
A Brief History of Forestry. In Europe, the United States and Other Countries
Fernow, B. E. (Bernhard Eduard)
781 Gutenberg downloadsen2015Difficulty 62 (Academic)
The Land of Midian (Revisited) — Volume 1
Burton, Richard Francis, Sir
776 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Le monde de la mer
Moquin-Tandon, Alfred
772 Gutenberg downloadsfr2023
Philosophical Transactions of the Royal Society - Vol 1 - 1666 Giving some Accompt of the present Undertakings, Studies, and Labours of the Ingenious in many considerable parts of the World
Various
771 Gutenberg downloadsen2009Difficulty 58 (Graduate)
Miscellanea Curiosa, Vol. 3 containing a collection of curious travels, voyages, and natural histories of countries as they have been delivered in to the Royal Society
Royal Society (Great Britain)
763 Gutenberg downloadsen2015Difficulty 49 (College)
A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public
Wade, Frank Bertram
761 Gutenberg downloadsen2009Difficulty 55 (Graduate)
The Variation of Animals and Plants under Domestication
Darwin, Charles
760 Gutenberg downloadsen2002Difficulty 86 (Specialist)
The Asteroids; Or Minor Planets Between Mars and Jupiter.
Kirkwood, Daniel
756 Gutenberg downloadsen2012Difficulty 48 (College)
周髀算經
Unknown
756 Gutenberg downloadszh2004
The Testimony of the Rocks or, Geology in Its Bearings on the Two Theologies, Natural and Revealed
Miller, Hugh
755 Gutenberg downloadsen2009Difficulty 52 (Graduate)
Geology and Revelation or, the Ancient History of the Earth, considered in the geological facts and revealed religion.
Molloy, Gerald
754 Gutenberg downloadsen2016Difficulty 76 (Expert)
Meteorology: The Science of the Atmosphere
Talman, Charles Fitzhugh
751 Gutenberg downloadsen2014Difficulty 62 (Academic)
Prairie Farmer, Vol. 56: No. 1, January 5, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
746 Gutenberg downloadsen2006Difficulty 45 (College)
A Practical Handbook on the Distillation of Alcohol from Farm Products
Wright, F. B. (Frederic B.)
744 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Mars and Its Canals
Lowell, Percival
742 Gutenberg downloadsen2014Difficulty 53 (Graduate)
Narrative of the Circumnavigation of the Globe by the Austrian Frigate Novara, Volume I (Commodore B. Von Wullerstorf-Urbair,) Undertaken by Order of the Imperial Government in the Years 1857, 1858, & 1859, Under the Immediate Auspices of His I. and R. Highness the Archduke Ferdinand Maximilian, Commander-In-Chief of the Austrian Navy.
Scherzer, Karl, Ritter von
741 Gutenberg downloadsen2011Difficulty 59 (Graduate)
The Geologic Story of Palo Duro Canyon
Matthews, William Henry
739 Gutenberg downloadsen2016Difficulty 60 (Graduate)
American Journal of Science, Vol. 1.
Various
735 Gutenberg downloadsen2016Difficulty 65 (Academic)
Draining for Profit, and Draining for Health
Waring, George E. (George Edwin)
734 Gutenberg downloadsen2006Difficulty 56 (Graduate)
Weeds used in medicine
Henkel, Alice
733 Gutenberg downloadsen2025Difficulty 50 (College)
Scientific American Supplement, No. 460, October 25, 1884
Various
732 Gutenberg downloadsen2004Difficulty 52 (Graduate)
The peaches of New York
Hedrick, U. P.
728 Gutenberg downloadsen2014Difficulty 62 (Academic)
Young Folks' Library, Volume XI (of 20) Wonders of Earth, Sea and Sky
Unknown
728 Gutenberg downloadsen2005Difficulty 49 (College)
A History of Science — Volume 3
Williams, Henry Smith & Williams, Edward Huntington
727 Gutenberg downloadsen1999Difficulty 77 (Expert)
Manual of American grape-growing
Hedrick, U. P.
720 Gutenberg downloadsen2009Difficulty 54 (Graduate)
Pleasant Ways in Science
Proctor, Richard A. (Richard Anthony)
717 Gutenberg downloadsen2017Difficulty 59 (Graduate)
The Medals of Creation, Volumes 1 and 2 First Lessons in Geology and the Study of Organic Remains
Mantell, Gideon Algernon
717 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Encyclopaedia Britannica, 11th Edition, "Geodesy" to "Geometry" Volume 11, Slice 6
Various
716 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Fossil plants, Vol. 3 : $b A text-book for students of botany and geology
Seward, A. C. (Albert Charles)
714 Gutenberg downloadsen2025Difficulty 64 (Academic)
The World Before the Deluge
Figuier, Louis
714 Gutenberg downloadsen2012Difficulty 65 (Academic)
American Rural Highways
Agg, T. R. (Thomas Radford)
713 Gutenberg downloadsen2009Difficulty 74 (Expert)
A Catechism of Familiar Things; Their History, and the Events Which Led to Their Discovery. With a Short Explanation of Some of the Principal Natural Phenomena. For the Use of Schools and Families. Enlarged and Revised Edition.
Anonymous
710 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Catalogue of Violent and Destructive Earthquakes in the Philippines With an Appendix: Earthquakes in the Marianas Islands 1599-1909
Saderra Masó, Miguel
705 Gutenberg downloadsen2006Difficulty 62 (Academic)
Dinosaurs, with Special Reference to the American Museum Collections
Matthew, William Diller
704 Gutenberg downloadsen2006Difficulty 59 (Graduate)
Farmers of Forty Centuries; Or, Permanent Agriculture in China, Korea, and Japan
King, F. H. (Franklin Hiram)
704 Gutenberg downloadsen2004Difficulty 69 (Academic)
Seasoning of Wood
Wagner, J. B. (Joseph Bernard)
703 Gutenberg downloadsen2008Difficulty 59 (Graduate)
An Introduction to the History of Science
Libby, Walter
702 Gutenberg downloadsen2012Difficulty 62 (Academic)
The Earth as Modified by Human Action
Marsh, George P. (George Perkins)
702 Gutenberg downloadsen2004Difficulty 62 (Academic)
Modern ships of war
Reed, Edward J. (Edward James), Sir & Simpson, Edward
701 Gutenberg downloadsen2024Difficulty 64 (Academic)
Essay on the Theory of the Earth
Cuvier, Georges, baron
699 Gutenberg downloadsen2020Difficulty 66 (Academic)
Madam How and Lady Why; Or, First Lessons in Earth Lore for Children
Kingsley, Charles
696 Gutenberg downloadsen1999Difficulty 41 (College)
Galileo Galilei and the Roman Curia From Authentic Sources
Gebler, Karl von
695 Gutenberg downloadsen2019Difficulty 53 (Graduate)
A Handbook of Some South Indian Grasses
Rangachari, K. & Tadulinga Mudaliyar, C.
688 Gutenberg downloadsen2007Difficulty 50 (College)
The History of Creation, Vol. 2 (of 2) Or the Development of the Earth and its Inhabitants by the Action of Natural Causes
Haeckel, Ernst
688 Gutenberg downloadsen2012Difficulty 61 (Academic)
A Journey in Brazil
Agassiz, Louis & Agassiz, Elizabeth Cabot Cary
686 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Guano: A Treatise of Practical Information for Farmers
Robinson, Solon
683 Gutenberg downloadsen2006Difficulty 60 (Graduate)
Reise in die Aequinoctial-Gegenden des neuen Continents. Band 1.
Humboldt, Alexander von
682 Gutenberg downloadsde2007
The World's Greatest Books — Volume 15 — Science
Unknown
682 Gutenberg downloadsen2008Difficulty 67 (Academic)
Fishing Grounds of the Gulf of Maine
Rich, Walter H. (Walter Herbert)
680 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Talks on Manures A Series of Familiar and Practical Talks Between the Author and the Deacon, the Doctor, and Other Neighbors, on the Whole Subject
Harris, Joseph
679 Gutenberg downloadsen2006Difficulty 41 (College)
Ice-Caves of France and Switzerland
Browne, G. F. (George Forrest)
678 Gutenberg downloadsen2004Difficulty 52 (Graduate)
Man and the Glacial Period
Wright, G. Frederick (George Frederick)
678 Gutenberg downloadsen2016Difficulty 53 (Graduate)
Political and commercial geology and the world's mineral resources
Unknown
678 Gutenberg downloadsen2023Difficulty 67 (Academic)
Remarks on some fossil impressions in the sandstone rocks of Connecticut River
Warren, John Collins
678 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Significant Achievements in Space Bioscience 1958-1964
United States. National Aeronautics and Space Administration
677 Gutenberg downloadsen2012Difficulty 76 (Expert)
The Geological History of Plants
Dawson, John William, Sir
677 Gutenberg downloadsen2016Difficulty 55 (Graduate)
James Geikie, the Man and the Geologist
Newbigin, Marion I. (Marion Isabel) & Flett, J. S. (John Smith), Sir
675 Gutenberg downloadsen2015Difficulty 53 (Graduate)
The Polar World A popular description of man and nature in the Arctic and Antarctic regions of the globe
Hartwig, G. (Georg)
675 Gutenberg downloadsen2020Difficulty 61 (Academic)
The Story of Evolution
McCabe, Joseph
675 Gutenberg downloadsen1997Difficulty 56 (Graduate)
Preservation of Bull Semen at Sub-Zero Temperatures
VanDemark, N. L. & Friedman, M. E. & Kinney, W. C. & Miller, W. J. & Rodriguez, Carlos
674 Gutenberg downloadsen2011Difficulty 62 (Academic)
The Practical Astronomer Comprising illustrations of light and colours--practical descriptions of all kinds of telescopes--the use of the equatorial-transit--circular, and other astronomical instruments, a particular account of the Earl of Rosse's large telescopes, and other topics connected with astronomy
Dick, Thomas
672 Gutenberg downloadsen2017Difficulty 69 (Academic)
Buchanan's Journal of Man, December 1887 Volume 1, Number 11
Unknown
670 Gutenberg downloadsen2009Difficulty 59 (Graduate)
Tobacco: Growing, Curing, & Manufacturing A Handbook for Planters in All Parts of the World
Unknown
670 Gutenberg downloadsen2017Difficulty 58 (Graduate)
Soil Culture Containing a Comprehensive View of Agriculture, Horticulture, Pomology, Domestic Animals, Rural Economy, and Agricultural Literature
Walden, J. H.
669 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Special report on diseases of cattle
United States. Bureau of Animal Industry & Atkinson, V. T. (Vickers T.) & Dickson, Dr. (William) & Eichhorn, A. (Adolph) & Hickman, Richard W. (Richard West) & Law, James & Lowe, (Dr.) (William Herbert) & Marsh, C. Dwight (Charles Dwight) & Mohler, John R. (John Robbins) & Murray, A. J. (Alexander James) & Pearson, Leonard & Ransom, Brayton Howard & Trumbower, M. R. (Milton R.) & Woodward, Dr. (Benjamin Tilghman)
669 Gutenberg downloadsen2009Difficulty 53 (Graduate)
Grain and Chaff from an English Manor
Savory, Arthur Herbert
667 Gutenberg downloadsen2004Difficulty 60 (Graduate)
The Book of the Ocean
Ingersoll, Ernest
667 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Northern Nut Growers Association, report of the proceedings at the sixth annual meeting Rochester, New York, September 1 and 2, 1915
Unknown
666 Gutenberg downloadsen2006Difficulty 51 (Graduate)
Thunder and Lightning
Flammarion, Camille
666 Gutenberg downloadsen2013Difficulty 49 (College)
The Strange Adventures of a Pebble
Hawksworth, Hallam
665 Gutenberg downloadsen2021Difficulty 52 (Graduate)
Scientific American, Volume 40, No. 13, March 29, 1879 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
662 Gutenberg downloadsen2006Difficulty 56 (Graduate)
Clovers and How to Grow Them
Shaw, Thomas
661 Gutenberg downloadsen2006Difficulty 54 (Graduate)
The Apple The Kansas Apple, the Big Red Apple; the Luscious, Red-Cheeked First Love of the Farmer's Boy; the Healthful, Hearty Heart of the Darling Dumpling. What It Is; How to Grow It; Its Commercial and Economic Importance; How to Utilize It.
Unknown
659 Gutenberg downloadsen2010Difficulty 50 (College)
The Cruise of the Betsey or, A Summer Ramble Among the Fossiliferous Deposits of the Hebrides. With Rambles of a Geologist or, Ten Thousand Miles Over the Fossiliferous Deposits of Scotland
Miller, Hugh
658 Gutenberg downloadsen2009Difficulty 83 (Specialist)
The Republic of Costa Rica
Niederlein, Gustavo
658 Gutenberg downloadsen2023Difficulty 57 (Graduate)
The Wonder Book of Volcanoes and Earthquakes
Houston, Edwin J. (Edwin James)
658 Gutenberg downloadsen2013Difficulty 50 (College)
A century of science in America : $b with special reference to the American Journal of Science, 1818-1918
Unknown
656 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Geological Observations on South America
Darwin, Charles
656 Gutenberg downloadsen2003Difficulty 66 (Academic)
Rational Horse-Shoeing
Russell, John E. (John Edwards)
656 Gutenberg downloadsen2007Difficulty 56 (Graduate)
Green Spring Farm, Fairfax County, Virginia
Netherton, Ross De Witt & Netherton, Nan
655 Gutenberg downloadsen2010Difficulty 62 (Academic)
A Text-book of Entomology Including the Anatomy, Physiology, Embryology and Metamorphoses of Insects for Use in Agricultural and Technical Schools and Colleges as Well as by the Working Entomologist
Packard, A. S. (Alpheus Spring)
654 Gutenberg downloadsen2021Difficulty 63 (Academic)
Getting Gold: A Gold-Mining Handbook for Practical Men
Johnson, J. C. F. (Joseph Colin Francis)
649 Gutenberg downloadsen2013Difficulty 70 (Academic)
Fossil plants, Vol. 1 : $b [A text-book] for students of botany and geology
Seward, A. C. (Albert Charles)
648 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Ragnarok : the Age of Fire and Gravel
Donnelly, Ignatius
648 Gutenberg downloadsen2004Difficulty 47 (College)
The Floors of the Ocean: 1. The North Atlantic Text to accompany the physiographic diagram of the North Atlantic
Heezen, Bruce C. & Ewing, W. Maurice (William Maurice) & Tharp, Marie
648 Gutenberg downloadsen2015Difficulty 65 (Academic)
The cherries of New York
Hedrick, U. P.
645 Gutenberg downloadsen2014Difficulty 67 (Academic)
Other Worlds Their Nature, Possibilities and Habitability in the Light of the Latest Discoveries
Serviss, Garrett Putman
644 Gutenberg downloadsen2006Difficulty 73 (Expert)
Louis Agassiz: His Life and Correspondence
Agassiz, Louis
642 Gutenberg downloadsen2004Difficulty 49 (College)
Mosaic of New Mexico's Scenery, Rocks, and History
Unknown
641 Gutenberg downloadsen2017Difficulty 60 (Graduate)
An Introduction to the Study of Meteorites With a List of the Meteorites Represented in the Collection
British Museum (Natural History). Department of Mineralogy & Fletcher, L. (Lazarus)
640 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Nature readers : $b Sea-side and way-side. No. 4
Wright, Julia McNair
640 Gutenberg downloadsen2023Difficulty 45 (College)
Cave Regions of the Ozarks and Black Hills
Owen, Luella Agnes
639 Gutenberg downloadsen2005Difficulty 61 (Academic)
The American Journal of Science and Arts, Volume 50 (First Series) General Index to Forty-Nine Volumes
Various
637 Gutenberg downloadsen2014Difficulty 72 (Expert)
On the Connexion of the Physical Sciences
Somerville, Mary
634 Gutenberg downloadsen2016Difficulty 89 (Specialist)
The Movements and Habits of Climbing Plants
Darwin, Charles
629 Gutenberg downloadsen2001Difficulty 60 (Graduate)
Catálogo Instructivo de las Colecciones Mineralógicas
Hermitte, Enrique Martín & Bodenbender, Guillermo
628 Gutenberg downloadses2006
A Review of the Resources and Industries of the State of Washington, 1909
Howell, Ithamar M. (Ithamar Martindale)
627 Gutenberg downloadsen2005Difficulty 60 (Graduate)
Time and Change
Burroughs, John
626 Gutenberg downloadsen2004Difficulty 54 (Graduate)
The Geologic Story of Canyonlands National Park
Lohman, Stanley William
623 Gutenberg downloadsen2016Difficulty 53 (Graduate)
The plums of New York
Hedrick, U. P.
620 Gutenberg downloadsen2024Difficulty 65 (Academic)
Business Hints for Men and Women
Calhoun, A. R. (Alfred Rochefort)
619 Gutenberg downloadsen2004Difficulty 44 (College)
Secrets of Earth and Sea
Lankester, E. Ray (Edwin Ray), Sir
619 Gutenberg downloadsen2016Difficulty 53 (Graduate)
Terrestrial and Celestial Globes Volume 1 Their History and Construction Including a Consideration of their Value as Aids in the Study of Geography and Astronomy
Stevenson, Edward Luther
619 Gutenberg downloadsen2012Difficulty 56 (Graduate)
天工開物
Song, Yingxing
619 Gutenberg downloadszh2008
A treatise on the origin, progress, prevention, and cure of dry rot in timber : $b with remarks on the means of preserving wood from destruction by sea worms, beetles, ants, etc.
Britton, Thomas Allen
618 Gutenberg downloadsen2017Difficulty 57 (Graduate)
Field, Forest and Farm Things interesting to young nature-lovers, including some matters of moment to gardeners and fruit-growers
Fabre, Jean-Henri
618 Gutenberg downloadsen2022Difficulty 54 (Graduate)
Letters on Astronomy in which the Elements of the Science are Familiarly Explained in Connection with Biographical Sketches of the Most Eminent Astronomers
Olmsted, Denison
613 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Natural Gemstones
Geological Survey (U.S.)
611 Gutenberg downloadsen2015Difficulty 66 (Academic)
Cloud Studies
Clayden, Arthur William
610 Gutenberg downloadsen2017Difficulty 56 (Graduate)
The Birth-Time of the World and Other Scientific Essays
Joly, John
609 Gutenberg downloadsen2005Difficulty 51 (Graduate)
Theory of the Earth, With Proofs and Illustrations, Volume 2 (of 4)
Hutton, James
608 Gutenberg downloadsen2004Difficulty 69 (Academic)
Getting Gold: A Practical Treatise for Prospectors, Miners and Students
Johnson, J. C. F. (Joseph Colin Francis)
607 Gutenberg downloadsen2006Difficulty 60 (Graduate)
Miscellanea Curiosa, Vol. 1 Containing a collection of some of the principal phaenomena in nature, accounted for by the greatest philosophers of this age
Unknown
607 Gutenberg downloadsen2015Difficulty 61 (Academic)
Every-day Science: Volume 6. The Conquest of Nature
Williams, Henry Smith & Williams, Edward Huntington
606 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Astronomy of To-day: A Popular Introduction in Non-Technical Language
Dolmage, Cecil Goodrich Julius
604 Gutenberg downloadsen2009Difficulty 56 (Graduate)
Ancient Plants Being a Simple Account of the past Vegetation of the Earth and of the Recent Important Discoveries Made in This Realm of Nature
Stopes, Marie Carmichael
603 Gutenberg downloadsen2013Difficulty 57 (Graduate)
Hemp Hurds as Paper-Making Material
Dewey, Lyster H. (Lyster Hoxie) & Merrill, Jason L.
603 Gutenberg downloadsen2006Difficulty 59 (Graduate)
A Report upon the Mollusk Fisheries of Massachusetts
Massachusetts. Commissioners on Fisheries and Game & Belding, David Lawrence
602 Gutenberg downloadsen2015Difficulty 67 (Academic)
Discourses: Biological & Geological Essays
Huxley, Thomas Henry
601 Gutenberg downloadsen2003Difficulty 61 (Academic)
The Origin of the World According to Revelation and Science
Dawson, John William, Sir
600 Gutenberg downloadsen2010Difficulty 60 (Graduate)
The Story of the Cotton Plant
Wilkinson, Frederick
598 Gutenberg downloadsen2009Difficulty 52 (Graduate)
La mer
Michelet, Jules
596 Gutenberg downloadsfr2007
Outlines of the Earth's History: A Popular Study in Physiography
Shaler, Nathaniel Southgate
596 Gutenberg downloadsen2006Difficulty 64 (Academic)
The Ocean World: Being a Description of the Sea and Its Living Inhabitants.
Figuier, Louis
596 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Fruits of the Hawaiian Islands
Wilder, Gerrit Parmile
594 Gutenberg downloadsen2013Difficulty 52 (Graduate)
Scientific American Supplement, No. 446, July 19, 1884
Various
594 Gutenberg downloadsen2004Difficulty 55 (Graduate)
The Eruption of Vesuvius in 1872
Palmieri, Luigi
592 Gutenberg downloadsen2010Difficulty 74 (Expert)
Fossil plants, Vol. 2 : $b A text-book for students of botany and geology
Seward, A. C. (Albert Charles)
591 Gutenberg downloadsen2022Difficulty 63 (Academic)
Agricola : $b A study of agriculture and rustic life in the Greco-Roman world from the point of view of labour
Heitland, William Emerton
590 Gutenberg downloadsen2024Difficulty 59 (Graduate)
A Tour in Ireland. 1776-1779
Young, Arthur
589 Gutenberg downloadsen2007Difficulty 54 (Graduate)
Animal Life in Field and Garden
Fabre, Jean-Henri
589 Gutenberg downloadsen2021Difficulty 47 (College)
Coral Reefs; Volcanic Islands; South American Geology — Complete
Darwin, Charles
589 Gutenberg downloadsen2003Difficulty 61 (Academic)
The Elements of Geology
Norton, William Harmon
588 Gutenberg downloadsen2003Difficulty 54 (Graduate)
The Meeting-Place of Geology and History
Dawson, John William, Sir
588 Gutenberg downloadsen2012Difficulty 63 (Academic)
Wheat Growing in Australia
Australia. Department of External Affairs
588 Gutenberg downloadsen2008Difficulty 54 (Graduate)
Cosmografía
Guillemin, Amédée
587 Gutenberg downloadses2007
Space Nomads: Meteorites in Sky, Field, and Laboratory
LaPaz, Lincoln & LaPaz, Jean
587 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Botanist's Companion, Volume II Or an Introduction to the Knowledge of Practical Botany, and the Uses of Plants. Either Growing Wild in Great Britain, or Cultivated for the Puroses of Agriculture, Medicine, Rural Oeconomy, or the Arts
Salisbury, William
586 Gutenberg downloadsen2004Difficulty 55 (Graduate)
Three Acres and Liberty
Hall, Bolton
586 Gutenberg downloadsen2003Difficulty 51 (Graduate)
Catalogue of Economic Plants in the Collection of the U. S. Department of Agriculture
Saunders, William
583 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Prairie Farmer, Vol. 56: No. 3, January 19, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
583 Gutenberg downloadsen2007Difficulty 50 (College)
Voyage to Jupiter
Morrison, David & Samz, Jane
583 Gutenberg downloadsen2019Difficulty 64 (Academic)
Scientific American, Volume 22, No. 1, January 1, 1870 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
582 Gutenberg downloadsen2005Difficulty 59 (Graduate)
The Art of Making Whiskey So As to Obtain a Better, Purer, Cheaper and Greater Quantity of Spirit, From a Given Quantity of Grain. Also, the Art of Converting It into Gin, after the Process of the Holland Distillers
Boucherie, Anthony
582 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Appletons' Popular Science Monthly, January 1899 Volume LIV, No. 3, January 1899
Various
581 Gutenberg downloadsen2013Difficulty 56 (Graduate)
Cyrus Hall McCormick: His Life and Work
Casson, Herbert Newton
581 Gutenberg downloadsen2013Difficulty 55 (Graduate)
Scientific American Supplement, No. 299, September 24, 1881
Various
580 Gutenberg downloadsen2005Difficulty 60 (Graduate)
Agricultural prices
Wallace, Henry A. (Henry Agard)
578 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Inorganic Plant Poisons and Stimulants
Brenchley, Winifred Elsie
578 Gutenberg downloadsen2015Difficulty 61 (Academic)
Scientific American Supplement, No. 520, December 19, 1885
Various
578 Gutenberg downloadsen2004Difficulty 56 (Graduate)
The jute industry : $b from seed to finished cloth
Woodhouse, Thomas & Kilgour, Peter
578 Gutenberg downloadsen2004Difficulty 56 (Graduate)
The Western United States: A Geographical Reader
Fairbanks, Harold W. (Harold Wellman)
577 Gutenberg downloadsen2007Difficulty 51 (Graduate)
North America
Russell, Israel C. (Cook)
575 Gutenberg downloadsen2011Difficulty 60 (Graduate)
Northern Nut Growers Association, Report Of The Proceedings At The Tenth Annual Meeting. Battle Creek, Michigan, December 9 and 10, 1919
Unknown
575 Gutenberg downloadsen2006Difficulty 49 (College)
The Religion of Geology and Its Connected Sciences
Hitchcock, Edward
575 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Obed Hussey, Who, of All Inventors, Made Bread Cheap
Unknown
572 Gutenberg downloadsen2006Difficulty 54 (Graduate)
Scientific American Supplement, No. 365, December 30, 1882
Various
572 Gutenberg downloadsen2006Difficulty 57 (Graduate)
The Story of a Boulder; or, Gleanings from the Note-book of a Field Geologist
Geikie, Archibald
572 Gutenberg downloadsen2021Difficulty 73 (Expert)
Principles and practice of agricultural analysis. Volume 1 (of 3), Soils
Wiley, Harvey Washington
571 Gutenberg downloadsen2024Difficulty 64 (Academic)
Farm Mechanics: Machinery and Its Use to Save Hand Labor on the Farm.
Shearer, Herbert A.
570 Gutenberg downloadsen2012Difficulty 42 (College)
The International Monthly, Volume 4, No. 4, November 1, 1851
Various
569 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Ancient Landscapes of the Grand Canyon Region The Geology of Grand Canyon, Zion, Bryce, Petrified Forest & Painted Desert
McKee, Edwin D. (Edwin Dinwiddie)
568 Gutenberg downloadsen2015Difficulty 61 (Academic)
The Glaciers of the Alps Being a narrative of excursions and ascents, an account of the origin and phenomena of glaciers and an exposition of the physical principles to which they are related
Tyndall, John
568 Gutenberg downloadsen2010Difficulty 69 (Academic)
The Ocean and Its Wonders
Ballantyne, R. M. (Robert Michael)
567 Gutenberg downloadsen2007Difficulty 58 (Graduate)
夢溪筆談, Volume 07-10
Shen, Kuo
567 Gutenberg downloadszh2005
Horse-hoeing husbandry : $b or, an essay on the principles of vegetation and tillage. Designed to introduce a new method of culture; whereby the produce of land will be increased, and the usual expence lessened. Together with accurate descriptions and cuts of the instruments employed in it.
Tull, Jethro
564 Gutenberg downloadsen2024Difficulty 55 (Graduate)
The Arctic World : $b Its plants, animals, and natural phenomena. With a historical sketch of Arctic discovery, down to the British polar expedition: 1875-76.
Anonymous
564 Gutenberg downloadsen2023Difficulty 60 (Graduate)
The Dinosaur Quarry. Dinosaur National Monument, Colorado-Utah
Good, John M. (John Maxwell) & Stucker, Gilbert F. & White, Theodore Elmer
564 Gutenberg downloadsen2015Difficulty 54 (Graduate)
Color Standards and Color Nomenclature With fifty-three colored plates and eleven hundred and fifteen named colors
Ridgway, Robert
563 Gutenberg downloadsen2020Difficulty 70 (Academic)
Leisure hours among the gems
Hamlin, Augustus C. (Augustus Choate)
562 Gutenberg downloadsen2022Difficulty 63 (Academic)
Farmhouse Plans
Ashby, Wallace
560 Gutenberg downloadsen2019Difficulty 57 (Graduate)
The Elements of Geology
Norton, William Harmon
560 Gutenberg downloadsen2012Difficulty 52 (Graduate)
A Description of the Bar-and-Frame-Hive With an Abstract of Wildman's Complete Guide for the Management of Bees Throughout the Year
Munn, William Augustus
559 Gutenberg downloadsen2006Difficulty 57 (Graduate)
The modern packing house : $b A complete treatise on the design, construction, equipment and operation of meat packing houses, according to present American praactice, including methods of converting by-products into commercial articles
Wilder, F. W. (Fred William)
559 Gutenberg downloadsen2024Difficulty 70 (Academic)
Philosophical transactions, Vol. L. Part I. For the year 1757. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.
Various & Royal Society (Great Britain)
558 Gutenberg downloadsen2021Difficulty 49 (College)
The Dollar Hen
Hastings, Milo
558 Gutenberg downloadsen2004Difficulty 56 (Graduate)
Half-hours with the Telescope Being a Popular Guide to the Use of the Telescope as a Means of Amusement and Instruction.
Proctor, Richard A. (Richard Anthony)
557 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Milch Cows and Dairy Farming Comprising the Breeds, Breeding, and Management, in Health and Disease, of Dairy and Other Stock, the Selection of Milch Cows, with a Full Explanation of Guenon's Method; The Culture of Forage Plants, and the Production of Milk, Butter, and Cheese: Embodying the Most Recent Improvements, and Adapted to Farming in the United States and British Provinces. With a Treatise upon the Dairy Husbandry of Holland; To Which Is Added Horsfall's System of Dairy Management
Flint, Charles Louis
557 Gutenberg downloadsen2019Difficulty 62 (Academic)
The anatomy of the domestic fowl
Kaupp, B. F. (Benjamin Franklyn)
557 Gutenberg downloadsen2023Difficulty 65 (Academic)
Plants Poisonous to Live Stock
Long, Harold Cecil
556 Gutenberg downloadsen2020Difficulty 60 (Graduate)
Geology: The Science of the Earth's Crust
Miller, William J. (William John)
555 Gutenberg downloadsen2014Difficulty 61 (Academic)
John Deere's Steel Plow
Kendall, Edward C.
555 Gutenberg downloadsen2010Difficulty 51 (Graduate)
The filtration of public water-supplies Third edition, revised and enlarged.
Hazen, Allen
554 Gutenberg downloadsen2022Difficulty 66 (Academic)
Pleasures of the telescope An Illustrated Guide for Amateur Astronomers and a Popular Description of the Chief Wonders of the Heavens for General Readers
Serviss, Garrett Putman
552 Gutenberg downloadsen2009Difficulty 60 (Graduate)
The Fairy-Land of Science
Buckley, Arabella B. (Arabella Burton)
552 Gutenberg downloadsen2004Difficulty 48 (College)
The zoology of the voyage of H.M.S. Beagle [vol. 1 of 5] : $b Fossil mammalia
Owen, Richard
552 Gutenberg downloadsen2022Difficulty 58 (Graduate)
Aberdeenshire
Mackie, Alexander
551 Gutenberg downloadsen2024Difficulty 56 (Graduate)
Poultry A Practical Guide to the Choice, Breeding, Rearing, and Management of all Descriptions of Fowls, Turkeys, Guinea-fowls, Ducks, and Geese, for Profit and Exhibition.
Piper, Hugh
551 Gutenberg downloadsen2012Difficulty 57 (Graduate)
Buffon's Natural History, Volume 02 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Mineral, &c. &c
Buffon, Georges Louis Leclerc, comte de
550 Gutenberg downloadsen2014Difficulty 63 (Academic)
Life History of the Kangaroo Rat
Vorhies, Charles Taylor & Taylor, Walter P. (Walter Penn)
550 Gutenberg downloadsen2006Difficulty 62 (Academic)
The Variation of Animals and Plants under Domestication — Volume 1
Darwin, Charles
549 Gutenberg downloadsen2001Difficulty 62 (Academic)
Guide to Rocks and Minerals of Illinois
Illinois State Geological Survey
548 Gutenberg downloadsen2021Difficulty 61 (Academic)
Scientific American Supplement, No. 787, January 31, 1891
Various
548 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Scientific American Supplement, No. 362, December 9, 1882
Various
547 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Worlds in the making: The evolution of the universe
Arrhenius, Svante
547 Gutenberg downloadsen2022Difficulty 53 (Graduate)
The Principal Species of Wood: Their Characteristic Properties First Edition
Snow, Charles H. (Charles Henry)
546 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Curiosities of Science, Past and Present A Book for Old and Young
Timbs, John
545 Gutenberg downloadsen2015Difficulty 66 (Academic)
Ideen zu einer Physiognomik der Gewächse
Humboldt, Alexander von
545 Gutenberg downloadsde2007
Lippincott's Magazine of Popular Literature and Science, Volume 11, No. 22, January, 1873
Various
545 Gutenberg downloadsen2004Difficulty 54 (Graduate)
Scientific American Supplement, No. 508, September 26, 1885
Various
545 Gutenberg downloadsen2005Difficulty 49 (College)
Sheep, Swine, and Poultry Embracing the History and Varieties of Each; The Best Modes of Breeding; Their Feeding and Management; Together with etc.
Jennings, Robert
545 Gutenberg downloadsen2012Difficulty 76 (Expert)
Symmes's Theory of Concentric Spheres Demonstrating that the Earth is hollow, habitable within, and widely open about the poles
McBride, James & Symmes, John Cleves
545 Gutenberg downloadsen2017Difficulty 70 (Academic)
Appletons' Popular Science Monthly, December 1898 Volume LIV, No. 2, December 1898
Various
544 Gutenberg downloadsen2013Difficulty 58 (Graduate)
Appletons' Popular Science Monthly, June 1899 Volume LV
Various
544 Gutenberg downloadsen2014Difficulty 62 (Academic)
Geology, Vol. 1 [of 3] : $b Geologic processes and their results
Chamberlin, Thomas C. (Thomas Chrowder) & Salisbury, Rollin D.
544 Gutenberg downloadsen2024Difficulty 56 (Graduate)
Home Pork Making
Fulton, A. W. (Albert Watson)
544 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Mineralogia Polyglotta
Keferstein, Christian
544 Gutenberg downloadsde2005
Volcanic Islands
Darwin, Charles
544 Gutenberg downloadsen2002Difficulty 61 (Academic)
Science in Arcady
Allen, Grant
542 Gutenberg downloadsen2005Difficulty 63 (Academic)
Disease in plants
Ward, H. Marshall (Harry Marshall)
540 Gutenberg downloadsen2012Difficulty 66 (Academic)
Scientific American Supplement, No. 447, July 26, 1884
Various
540 Gutenberg downloadsen2005Difficulty 53 (Graduate)
The romance of the microscope : $b an interesting description of its uses in all branches of science, industry, agriculture, and in the detection of crime, with a short account of its origin, history, and development
Ealand, C. A. (Charles Aubrey)
540 Gutenberg downloadsen2015Difficulty 55 (Graduate)
The Fat of the Land: The Story of an American Farm
Streeter, John Williams
539 Gutenberg downloadsen2005Difficulty 44 (College)
Checking the Waste: A Study in Conservation
Gregory, Mary Huston
538 Gutenberg downloadsen2007Difficulty 54 (Graduate)
Dry-Farming : A System of Agriculture for Countries under a Low Rainfall
Widtsoe, John Andreas
537 Gutenberg downloadsen2004Difficulty 65 (Academic)
Earthquakes and other earth movements
Milne, John
537 Gutenberg downloadsen2019Difficulty 73 (Expert)
Scientific American Supplement, No. 363, December 16, 1882
Various
537 Gutenberg downloadsen2005Difficulty 62 (Academic)
The Geologic Story of Arches National Park Geological Survey Bulletin 1393
Lohman, Stanley William
537 Gutenberg downloadsen2016Difficulty 52 (Graduate)
Dragons of the Air: An Account of Extinct Flying Reptiles
Seeley, H. G. (Harry Govier)
535 Gutenberg downloadsen2011Difficulty 54 (Graduate)
A Hand-book of Precious Stones
Rothschild, Meyer D.
534 Gutenberg downloadsen2019Difficulty 56 (Graduate)
The Story of the Earth and Man
Dawson, John William, Sir
534 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Identifying Hardwoods Growing on Pine Sites
Brown, Clair A. (Clair Alan) & Grelen, Harold E.
533 Gutenberg downloadsen2021Difficulty 54 (Graduate)
Outlines of a mechanical theory of storms : $b containing the true law of lunar influence, with practical instructions to the navigator, to enable him approximately to calculate the coming changes of the wind and weather, for any given day, and for any part of the ocean
Bassnett, Thomas
533 Gutenberg downloadsen2006Difficulty 68 (Academic)
Pratt's Practical Pointers on the Care of Livestock and Poultry
Pratt Food Company
533 Gutenberg downloadsen2005Difficulty 49 (College)
Scientific American Supplement, No. 561, October 2, 1886
Various
533 Gutenberg downloadsen2005Difficulty 50 (College)
The Story of a Piece of Coal: What It Is, Whence It Comes, and Whither It Goes
Martin, Edward A. (Edward Alfred)
533 Gutenberg downloadsen2004Difficulty 61 (Academic)
Voyager Encounters Jupiter
United States. National Aeronautics and Space Administration
533 Gutenberg downloadsen2017Difficulty 64 (Academic)
Scientific American Supplement, No. 711, August 17, 1889
Various
532 Gutenberg downloadsen2005Difficulty 61 (Academic)
The Lobster Fishery of Maine Bulletin of the United States Fish Commission, Vol. 19, Pages 241-265, 1899
Cobb, John N. (John Nathan)
532 Gutenberg downloadsen2006Difficulty 51 (Graduate)
A Manual of Elementary Geology or, The Ancient Changes of the Earth and its Inhabitants as Illustrated by Geological Monuments
Lyell, Charles, Sir
531 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Philosophical transactions, Vol. L. Part II. For the year 1758. Giving some account of the present undertakings, studies, and labours, of the ingenious, in many considerable parts of the world.
Various & Royal Society (Great Britain)
531 Gutenberg downloadsen2022Difficulty 49 (College)
Nouvelle géographie universelle (1/19) I L'Europe meridionale (Grèce, Turquie, Roumanie, Serbie, Italie, Espagne et Portugal)
Reclus, Elisée
530 Gutenberg downloadsfr2009
Proceedings of the California Academy of Sciences, Volume III, 1863-1867
Various
530 Gutenberg downloadsen2020Difficulty 58 (Graduate)
A Manual of Conchology According to the System Laid Down by Lamarck, with the Late Improvements by De Blainville. Exemplified and Arranged for the Use of Students.
Wyatt, Thomas
529 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Scientific American Supplement, No. 360, November 25, 1882
Various
529 Gutenberg downloadsen2005Difficulty 55 (Graduate)
My experiments with volcanoes
Jaggar, Thomas Augustus
528 Gutenberg downloadsen2023Difficulty 50 (College)
The Atlantic Monthly, Volume 06, No. 33, July, 1860 A Magazine Of Literature, Art, And Politics
Various
528 Gutenberg downloadsen2004Difficulty 57 (Graduate)
The Prairie Farmer, Vol. 56, No. 2, January 12, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
528 Gutenberg downloadsen2006Difficulty 51 (Graduate)
Travels into North America, Volume 1 (of 3)
Kalm, Pehr
528 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Round the year with the stars The chief beauties of the starry heavens as seen with the naked eye
Serviss, Garrett Putman
526 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Seeds of Michigan Weeds
Beal, W. J. (William James)
526 Gutenberg downloadsen2010Difficulty 48 (College)
Flytraps and Their Operation [1930]
Bishopp, F. C. (Fred Corry)
525 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Scientific American Supplement, No. 384, May 12, 1883
Various
525 Gutenberg downloadsen2005Difficulty 46 (College)
The book of cheese
Thom, Charles & Fisk, W. W. (Walter Warner)
525 Gutenberg downloadsen2012Difficulty 65 (Academic)
孫子算經
Sunzi, approximately 5th century
525 Gutenberg downloadszh2007
Half-Hours with the Stars A Plain and Easy Guide to the Knowledge of the Constellations
Proctor, Richard A. (Richard Anthony)
524 Gutenberg downloadsen2007Difficulty 47 (College)
Common Diseases of Farm Animals
Craig, Robert Alexander
523 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Every-day Science: Volume 7. The Conquest of Time and Space
Williams, Henry Smith & Williams, Edward Huntington
523 Gutenberg downloadsen2013Difficulty 57 (Graduate)
The Philosophy of the Weather. And a Guide to Its Changes
Butler, T. B. (Thomas Belden)
523 Gutenberg downloadsen2010Difficulty 65 (Academic)
Useful Knowledge: Volume 1. Minerals Or, a familiar account of the various productions of nature
Bingley, William
523 Gutenberg downloadsen2018Difficulty 59 (Graduate)
Modern shipbuilding and the men engaged in it
Pollock, David
522 Gutenberg downloadsen2024Difficulty 68 (Academic)
Through the Telescope
Baikie, James
522 Gutenberg downloadsen2017Difficulty 55 (Graduate)
Time and Tide: A Romance of the Moon
Ball, Robert S. (Robert Stawell)
522 Gutenberg downloadsen2008Difficulty 52 (Graduate)
Wood and Forest
Noyes, William
522 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Coal and the coal mines
Greene, Homer
521 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Guidebook of Palo Duro Canyon
West Texas State University. Geological Society
521 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Soils, their formation, properties, composition, and relations to climate and plant growth in the humid and arid regions
Hilgard, Eugene W. (Eugene Woldemar)
521 Gutenberg downloadsen2024Difficulty 61 (Academic)
The Argentine in the Twentieth Century
Martínez, Alberto B. & Lewandowski, Maurice
520 Gutenberg downloadsen2014Difficulty 77 (Expert)
Common objects of the microscope
Wood, J. G. (John George)
519 Gutenberg downloadsen2017Difficulty 69 (Academic)
The Geological Story of the Isle of Wight
Hughes, J. Cecil (John Cecil)
519 Gutenberg downloadsen2010Difficulty 41 (College)
Modern Geography
Newbigin, Marion I. (Marion Isabel)
518 Gutenberg downloadsen2012Difficulty 64 (Academic)
Scientific American Supplement, No. 601, July 9, 1887
Various
518 Gutenberg downloadsen2004Difficulty 53 (Graduate)
The Mule: A Treatise on the Breeding, Training, and Uses to Which He May Be Put
Riley, Harvey
518 Gutenberg downloadsen2004Difficulty 45 (College)
The Passaic Flood of 1903
Leighton, Marshall Ora
518 Gutenberg downloadsen2006Difficulty 41 (College)
The Story of the Solar System
Chambers, George F. (George Frederick)
518 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Scientific American Supplement, No. 492, June 6, 1885
Various
516 Gutenberg downloadsen2004Difficulty 53 (Graduate)
Omphalos : $b an attempt to untie the geological knot
Gosse, Philip Henry
514 Gutenberg downloadsen2012Difficulty 72 (Expert)
The Fishing Industry
Gibbs, William E. (William Edward)
514 Gutenberg downloadsen2016Difficulty 54 (Graduate)
A history of land mammals in the western hemisphere
Scott, William Berryman
512 Gutenberg downloadsen2025Difficulty 66 (Academic)
Matthew Fontaine Maury, the Pathfinder of the Seas
Lewis, Charles Lee
512 Gutenberg downloadsen2021Difficulty 59 (Graduate)
Pressure, Resistance, and Stability of Earth American Society of Civil Engineers: Transactions, Paper No. 1174, Volume LXX, December 1910
Meem, J. C.
512 Gutenberg downloadsen2005Difficulty 52 (Graduate)
Scientific American Supplement, No. 497, July 11, 1885
Various
512 Gutenberg downloadsen2006Difficulty 49 (College)
The Philippine Agricultural Review. Vol. VIII, First Quarter, 1915 No. 1
Various
512 Gutenberg downloadsen2011Difficulty 64 (Academic)
One Thousand Questions in California Agriculture Answered
Wickson, Edward J. (Edward James)
511 Gutenberg downloadsen2004Difficulty 43 (College)
The Earth's Beginning
Ball, Robert S. (Robert Stawell)
511 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition
Wallace, Alfred Russel
507 Gutenberg downloadsen2012Difficulty 71 (Expert)
Scientific American, Volume 17, No. 26 December 28, 1867 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures.
Various
507 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Useful Knowledge: Volume 2. Vegetables Or, a familiar account of the various productions of nature
Bingley, William
507 Gutenberg downloadsen2018Difficulty 51 (Graduate)
Fossils: A Story of the Rocks and Their Record of Prehistoric Life
Markman, Harvey C.
506 Gutenberg downloadsen2017Difficulty 68 (Academic)
The Moon: considered as a planet, a world, and a satellite.
Nasmyth, James & Carpenter, James
505 Gutenberg downloadsen2018Difficulty 75 (Expert)
Crystals
Tutton, A. E. H. (Alfred Edwin Howard)
504 Gutenberg downloadsen2022Difficulty 69 (Academic)
Geology of Devils Tower National Monument, Wyoming A Contribution to General Geology
Robinson, Charles Sherwood
504 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Guide to the Geologic Map of Illinois
Illinois State Geological Survey
504 Gutenberg downloadsen2021Difficulty 63 (Academic)
Scientific American Supplement, No. 275, April 9, 1881
Various
504 Gutenberg downloadsen2005Difficulty 57 (Graduate)
Glacières; or, Freezing Caverns
Balch, Edwin Swift
503 Gutenberg downloadsen2016Difficulty 49 (College)
Hints to Travellers, Scientific and General, Vol. 2 Tenth edition, revised and corrected
Royal Geographical Society (Great Britain)
503 Gutenberg downloadsen2022Difficulty 60 (Graduate)
Charles Lyell and Modern Geology
Bonney, T. G. (Thomas George)
502 Gutenberg downloadsen2010Difficulty 52 (Graduate)
Something about sugar : $b Its history, growth, manufacture and distribution
Rolph, George M. (George Morrison)
502 Gutenberg downloadsen2024Difficulty 75 (Expert)
The Foot-prints of the Creator : $b or, The Asterolepis of Stromness
Miller, Hugh
502 Gutenberg downloadsen2022Difficulty 66 (Academic)
Volcanoes: What They are and What They Teach
Judd, John W. (John Wesley)
502 Gutenberg downloadsen2022Difficulty 55 (Graduate)
Devonshire
Knight, Francis A. (Francis Arnold) & Dutton, Louie M. Knight
501 Gutenberg downloadsen2014Difficulty 53 (Graduate)
Scientific American Supplement, No. 717, September 28, 1889
Various
501 Gutenberg downloadsen2006Difficulty 53 (Graduate)
The Story of the Soil; from the Basis of Absolute Science and Real Life
Hopkins, Cyril G. (Cyril George)
501 Gutenberg downloadsen2003Difficulty 49 (College)
Comparative geography
Ritter, Carl
500 Gutenberg downloadsen2024Difficulty 56 (Graduate)
The Coal Measures Amphibia of North America
Moodie, Roy Lee
499 Gutenberg downloadsen2019Difficulty 62 (Academic)
The new air world : $b The science of meteorology simplified
Moore, Willis L. (Willis Luther)
498 Gutenberg downloadsen2025Difficulty 55 (Graduate)
The Tomato
Work, Paul
498 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Observations on Mount Vesuvius, Mount Etna, and Other Volcanos
Hamilton, William, Sir
497 Gutenberg downloadsen2011Difficulty 61 (Academic)
The Geologic Story of Yellowstone National Park
Keefer, William R.
497 Gutenberg downloadsen2019Difficulty 66 (Academic)
Scientific American Supplement, No. 388, June 9, 1883
Various
496 Gutenberg downloadsen2005Difficulty 56 (Graduate)
The Continental Monthly, Vol. 5, No. 4, April, 1864
Various
496 Gutenberg downloadsen2006Difficulty 62 (Academic)
The Sewerage of Sea Coast Towns
Adams, Henry Charles
495 Gutenberg downloadsen2005Difficulty 58 (Graduate)
Electricity for the farm Light, heat and power by inexpensive methods from the water wheel or farm engine
Anderson, Frederick Irving
494 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Northern Nut Growers Association, report of the proceedings at the eighth annual meeting Stamford, Connecticut, September 5 and 6, 1917
Unknown
493 Gutenberg downloadsen2006Difficulty 50 (College)
Prairie Farmer, Vol. 56: No. 12, March 22, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
493 Gutenberg downloadsen2012Difficulty 51 (Graduate)
The evolution of the oil industry
Ross, Victor
493 Gutenberg downloadsen2025Difficulty 68 (Academic)
Blackwood's Edinburgh Magazine — Volume 53, No. 330, April 1843
Various
492 Gutenberg downloadsen2004Difficulty 63 (Academic)
Creation of the Teton Landscape: The Geologic Story of Grand Teton National Park
Love, J. D. (John David) & Reed, John C. (John Calvin)
492 Gutenberg downloadsen2016Difficulty 55 (Graduate)
Scientific American, Volume 56, No. 9, February 26, 1887
Various
491 Gutenberg downloadsen2015Difficulty 54 (Graduate)
On Naval Timber and Arboriculture With Critical Notes on Authors who have Recently Treated the Subject of Planting
Matthew, Patrick
490 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Story of Milk
Frederiksen, Johan Ditlev
490 Gutenberg downloadsen2021Difficulty 64 (Academic)
Geological Contemporaneity and Persistent Types of Life
Huxley, Thomas Henry
489 Gutenberg downloadsen2001Difficulty 72 (Expert)
The Pig: Breeding, Rearing, and Marketing
Spencer, Sanders
489 Gutenberg downloadsen2010Difficulty 56 (Graduate)
An Assessment of the Consequences and Preparations for a Catastrophic California Earthquake: Findings and Actions Taken
United States. Federal Emergency Management Agency
488 Gutenberg downloadsen2006Difficulty 78 (Expert)
Scientific American Supplement, No. 344, August 5, 1882
Various
488 Gutenberg downloadsen2005Difficulty 54 (Graduate)
The Elements of Geology; Adapted to the Use of Schools and Colleges
Loomis, Justin R. (Justin Rudolph)
488 Gutenberg downloadsen2013Difficulty 54 (Graduate)
The Principles of Breeding or, Glimpses at the Physiological Laws involved in the Reproduction and Improvement of Domestic Animals
Goodale, S. L. (Stephen Lincoln)
488 Gutenberg downloadsen2007Difficulty 57 (Graduate)
What I know of farming: a series of brief and plain expositions of practical agriculture as an art based upon science
Greeley, Horace
488 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Travels into North America, Volume 2 (of 3)
Kalm, Pehr
487 Gutenberg downloadsen2023Difficulty 47 (College)
Illustrations of the Huttonian Theory of the Earth
Playfair, John
486 Gutenberg downloadsen2022Difficulty 50 (College)
Scientific American Supplement, No. 613, October 1, 1887
Various
486 Gutenberg downloadsen2005Difficulty 63 (Academic)
The New Heavens
Hale, George Ellery
486 Gutenberg downloadsen2006Difficulty 63 (Academic)
Principles and practice of agricultural analysis. Volume 2 (of 3), Fertilizers
Wiley, Harvey Washington
485 Gutenberg downloadsen2023Difficulty 69 (Academic)
The Book of Stars: Being a Simple Explanation of the Stars and Their Uses to Boy Life
Collins, A. Frederick (Archie Frederick)
485 Gutenberg downloadsen2022Difficulty 38 (High School)
Grasses : $b A handbook for use in the field and laboratory
Ward, H. Marshall (Harry Marshall)
484 Gutenberg downloadsen2015Difficulty 56 (Graduate)
Astronomy for Young Folks
Lewis, Isabel Martin
483 Gutenberg downloadsen2014Difficulty 54 (Graduate)
Glen Canyon Dam
United States. Bureau of Reclamation
483 Gutenberg downloadsen2019Difficulty 50 (College)
Scientific American Supplement, No. 531, March 6, 1886
Various
483 Gutenberg downloadsen2004Difficulty 51 (Graduate)
The A B C of Mining: A Handbook for Prospectors
Bramble, Charles A.
483 Gutenberg downloadsen2014Difficulty 54 (Graduate)
The Cultivation and Manufacture of Tea
Money, Edward
483 Gutenberg downloadsen2016Difficulty 48 (College)
Tomato Culture: A Practical Treatise on the Tomato
Tracy, W. W. (William Warner)
483 Gutenberg downloadsen2009Difficulty 60 (Graduate)
Australia, The Dairy Country
Australia. Department of External Affairs
482 Gutenberg downloadsen2008Difficulty 59 (Graduate)
Earthwork Slips and Subsidences upon Public Works Their Causes, Prevention, and Reparation
Newman, John
482 Gutenberg downloadsen2017Difficulty 67 (Academic)
Everglades Wildguide Handbook 143
George, Jean Craighead
482 Gutenberg downloadsen2017Difficulty 61 (Academic)
The Geological History of Fossil Butte National Monument and Fossil Basin
McGrew, Paul O. (Paul Orman) & Casilliano, Michael
482 Gutenberg downloadsen2015Difficulty 64 (Academic)
Nuestra Pampa; libro de lectura
Molins, W. Jaime (Wenceslao Jaime)
481 Gutenberg downloadses2020
Old Mines of Southern California Desert-Mountain-Coastal Areas Including the Calico-Salton Sea Colorado River Districts and Southern Counties
Storms, William H. & Fairbanks, Harold W. (Harold Wellman)
481 Gutenberg downloadsen2018Difficulty 52 (Graduate)
The Farmer and His Community
Sanderson, Dwight
481 Gutenberg downloadsen2009Difficulty 63 (Academic)
The Preparation of Plantation Rubber
Morgan, Sidney
481 Gutenberg downloadsen2011Difficulty 87 (Specialist)
Northern Nut Growers Association Report of the Proceedings at the Twenty-Fourth Annual Meeting Downington, Pennsylvania, September 11 and 12, 1933
Unknown
480 Gutenberg downloadsen2006Difficulty 48 (College)
Northern Nut Growers Report of the Proceedings at the Twenty-First Annual Meeting Cedar Rapids, Iowa, September 17, 18, and 19, 1930
Unknown
480 Gutenberg downloadsen2006Difficulty 45 (College)
Notes on Collecting and Preserving Natural-History Objects
Unknown
480 Gutenberg downloadsen2014Difficulty 51 (Graduate)
The Fabric of Civilization A Short Survey of the Cotton Industry in the United States
Guaranty Trust Company of New York
480 Gutenberg downloadsen2009Difficulty 58 (Graduate)
History of the Water Supply of the World arranged in a comprehensive form from eminent authorities, containing a description of the various methods of water supply, pollution and purification of waters, and sanitary effects, with analyses of potable waters, also geology and water strata of Hamilton county, Ohio, statistics of the Ohio river, proposed water supply of Cincinnati.
Bell, Thomas J. (Thomas Jefferson)
479 Gutenberg downloadsen2021Difficulty 55 (Graduate)
The Livestock Producer and Armour
Unknown
479 Gutenberg downloadsen2016Difficulty 63 (Academic)
Science and Practice in Farm Cultivation
Buckman, James
478 Gutenberg downloadsen2012Difficulty 52 (Graduate)
Scientific American, Vol. XXXIX.No. 6. [New Series.], August 10, 1878
Various
478 Gutenberg downloadsen2013Difficulty 54 (Graduate)
Australasian Fossils: A Students' Manual of Palaeontology
Chapman, Frederick
477 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Rat Proofing Buildings and Premises
Silver, James & Betts, M. C. (Morris Cotgrave) & Crouch, W. E. (Winney Elmer)
477 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Studies on Fermentation The diseases of beer, their causes, and the means of preventing them
Pasteur, Louis
477 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Mars and Its Mystery
Morse, Edward Sylvester
476 Gutenberg downloadsen2013Difficulty 65 (Academic)
The Preparation of Illustrations for Reports of the United States Geological Survey With Brief Descriptions of Processes of Reproduction
Ridgway, John L.
476 Gutenberg downloadsen2013Difficulty 68 (Academic)
Essays in Natural History and Agriculture
Garnett, Thomas
475 Gutenberg downloadsen2006Difficulty 64 (Academic)
In Het Rijk van Vulcaan de Uitbarsting van Krakatau en Hare Gevolgen
Sandick, R. A. (Rudolf Adriaan) van
475 Gutenberg downloadsnl2006
Lectures on popular and scientific subjects
Caithness, James Sinclair, 14th earl of
475 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Leçons de cosmographie à l'usage des lycées et collèges et de tous les établissements d'instruction publique
Guilmin, A. (Adrien)
475 Gutenberg downloadsfr2007
Prairie Farmer, Vol. 56: No. 5, February 2, 1884. A Weekly Journal for the Farm, Orchard and Fireside
Various
475 Gutenberg downloadsen2021Difficulty 50 (College)
Scientific American Supplement, No. 433, April 19, 1884
Various
475 Gutenberg downloadsen2005Difficulty 66 (Academic)
Report on the lands of the arid region of the United States, with a more detailed account of the lands of Utah
Powell, John Wesley & Drummond, Willis & Dutton, Clarence E. (Clarence Edward) & Gilbert, Grove Karl & Thompson, A. H. (Almon Harris)
474 Gutenberg downloadsen2023Difficulty 67 (Academic)
The Lights of the Church and the Light of Science Essay #6 from "Science and Hebrew Tradition"
Huxley, Thomas Henry
474 Gutenberg downloadsen2001Difficulty 70 (Academic)
Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Various
473 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The Romance of the Reaper
Casson, Herbert Newton
473 Gutenberg downloadsen2010Difficulty 48 (College)
The sacred theory of the Earth, Volume 1 (of 2) : $b Containing an account of the original of the Earth, and of all the general changes which it hath already undergone, or is to undergo, till the consummation of all things.
Burnet, Thomas
473 Gutenberg downloadsen2025Difficulty 56 (Graduate)
The Story of Germ Life
Conn, H. W. (Herbert William)
473 Gutenberg downloadsen2004Difficulty 60 (Graduate)
Climatic Changes: Their Nature and Causes
Huntington, Ellsworth & Visher, Stephen Sargent
472 Gutenberg downloadsen2011Difficulty 56 (Graduate)
Some Common Birds in Their Relation to Agriculture
Beal, F. E. L. (Foster Ellenborough Lascelles)
472 Gutenberg downloadsen2020Difficulty 55 (Graduate)
The Book of Husbandry
Fitzherbert, Anthony
472 Gutenberg downloadsen2018Difficulty 53 (Graduate)
The Pecan and its Culture
Hume, H. Harold (Hardrada Harold)
472 Gutenberg downloadsen2009Difficulty 57 (Graduate)
Buffon's Natural History, Volume 01 (of 10) Containing a Theory of the Earth, a General History of Man, of the Brute Creation, and of Vegetables, Mineral, &c. &c
Buffon, Georges Louis Leclerc, comte de
471 Gutenberg downloadsen2014Difficulty 76 (Expert)
Der Harz
Günther, Friedrich
471 Gutenberg downloadsde2020
Stonehenge and Other British Stone Monuments Astronomically Considered
Lockyer, Norman, Sir
470 Gutenberg downloadsen2020Difficulty 50 (College)
Hertfordshire
Lydekker, Richard
468 Gutenberg downloadsen2019Difficulty 62 (Academic)
Is Mars habitable? A critical examination of Professor Percival Lowell's book "Mars and its canals," with an alternative explanation
Wallace, Alfred Russel
468 Gutenberg downloadsen2004Difficulty 65 (Academic)
Scientific American Supplement, No. 832, December 12, 1891
Various
468 Gutenberg downloadsen2005Difficulty 53 (Graduate)
The Eagle's Nest Ten Lectures on the Relation of Natural Science to Art, Given Before the University of Oxford, in Lent Term, 1872
Ruskin, John
468 Gutenberg downloadsen2013Difficulty 52 (Graduate)
Earth and Sky Every Child Should Know Easy studies of the earth and the stars for any time and place
Rogers, Julia Ellen
467 Gutenberg downloadsen2010Difficulty 47 (College)
Scientific American Supplement, No. 441, June 14, 1884.
Various
467 Gutenberg downloadsen2005Difficulty 56 (Graduate)
The course of creation
Anderson, John
467 Gutenberg downloadsen2023Difficulty 62 (Academic)
ABC's of Science
Oliver, Charles A. (Charles Alexander)
466 Gutenberg downloadsen1998Difficulty 51 (Graduate)
An Account of the Insects Noxious to Agriculture and Plants in New Zealand The Scale Insects (Coccididae)
Maskell, William Miles
466 Gutenberg downloadsen2015Difficulty 53 (Graduate)
The Nile in 1904
Willcocks, William, Sir
466 Gutenberg downloadsen2018Difficulty 50 (College)
Frying Pan Farm
Pryor, Elizabeth Brown
465 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Elements of agricultural chemistry and geology
Johnston, Jas. F. W. (James Finlay Weir)
463 Gutenberg downloadsen2024Difficulty 57 (Graduate)
Scientific American Supplement, No. 401, September 8, 1883
Various
463 Gutenberg downloadsen2005Difficulty 55 (Graduate)
Scientific American Supplement, No. 443, June 28, 1884
Various
463 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Titan of Chasms: The Grand Canyon of Arizona
Higgins, C. A. (Charles A.) & Lummis, Charles Fletcher & Powell, John Wesley
463 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Agriculture in Virginia, 1607-1699
Carrier, Lyman
462 Gutenberg downloadsen2009Difficulty 54 (Graduate)
Popular Books on Natural Science For Practical Use in Every Household, for Readers of All Classes
Bernstein, Aaron David
462 Gutenberg downloadsen2011Difficulty 50 (College)
Familiar Talks on Science: World-Building and Life; Earth, Air and Water.
Gray, Elisha
460 Gutenberg downloadsen2010Difficulty 51 (Graduate)
The netherworld of Mendip : $b explorations in the great caverns of Somerset, Yorkshire, Derbyshire, and elsewhere
Baker, Ernest A. (Ernest Albert) & Balch, H. E. (Herbert Ernest)
460 Gutenberg downloadsen2016Difficulty 55 (Graduate)
Lessons on Soil
Russell, Edward J. (Edward John)
459 Gutenberg downloadsen2007Difficulty 42 (College)
The Book of Alfalfa: History, Cultivation and Merits Its Uses as a Forage and Fertilizer
Coburn, F. D. (Foster Dwight)
459 Gutenberg downloadsen2022Difficulty 58 (Graduate)
The Country Housewife and Lady's Director in the Management of a House, and the Delights and Profits of a Farm
Bradley, Richard
459 Gutenberg downloadsen2005Difficulty 45 (College)
The Unexploited West A Compilation of all of the authentic information available at the present time as to the Natural Resources of the Unexploited Regions of Northern Canada
Chambers, Ernest J.
459 Gutenberg downloadsen2015Difficulty 58 (Graduate)
The Natural History of Clay
Searle, Alfred B. (Alfred Broadhead)
458 Gutenberg downloadsen2013Difficulty 69 (Academic)
Scientific American Supplement, No. 623, December 10, 1887
Various
457 Gutenberg downloadsen2005Difficulty 60 (Graduate)
The Story of Creation as Told By Theology and By Science
Ackland, T. S. (Thomas Suter)
457 Gutenberg downloadsen2003Difficulty 62 (Academic)
Heroes of science : $b Botanists, zoologists, and geologists
Duncan, P. Martin (Peter Martin)
456 Gutenberg downloadsen2023Difficulty 58 (Graduate)
Insects and Diseases of Trees in the South
Anonymous
456 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Pioneer Saturn Encounter
United States. National Aeronautics and Space Administration
456 Gutenberg downloadsen2017Difficulty 62 (Academic)
The Past Condition of Organic Nature Lecture II. (of VI.), "Lectures to Working Men", at the Museum of Practical Geology, 1863, on Darwin's Work: "Origin of Species"
Huxley, Thomas Henry
456 Gutenberg downloadsen2001Difficulty 65 (Academic)
The Romance of Rubber
United States Rubber Company
456 Gutenberg downloadsen2003Difficulty 51 (Graduate)
The Young Farmer: Some Things He Should Know
Hunt, Thomas Forsyth
456 Gutenberg downloadsen2008Difficulty 56 (Graduate)
Observations Géologiques sur les Îles Volcaniques Explorées par l'Expédition du "Beagle" Et Notes sur la Géologie de l'Australie et du Cap de Bonne-Espérance
Darwin, Charles
455 Gutenberg downloadsfr2006
Experiments on Animals
Paget, Stephen
454 Gutenberg downloadsen2013Difficulty 59 (Graduate)
Irrigation works : $b the principles on which their design and working should be based, with special details relating to Indian canals and some proposed improvements
Bellasis, E. S. (Edward Skelton)
454 Gutenberg downloadsen2017Difficulty 51 (Graduate)
Barometer and Weather Guide
Unknown
453 Gutenberg downloadsen2007Difficulty 59 (Graduate)
The geography and geology of south-eastern Egypt
Ball, John
453 Gutenberg downloadsen2024Difficulty 54 (Graduate)
Wildflowers of the Farm
Cooke, Arthur O. (Arthur Owens)
453 Gutenberg downloadsen2004Difficulty 37 (High School)
Wonders of the Yellowstone
Richardson, James (Geologist)
453 Gutenberg downloadsen2014Difficulty 66 (Academic)
The Geography of New Jersey
Snyder, Henry
452 Gutenberg downloadsen2021Difficulty 55 (Graduate)
The Shire Horse in Peace and War
Frost, J. Albert
452 Gutenberg downloadsen2015Difficulty 57 (Graduate)
Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to April, 1900
Various
451 Gutenberg downloadsen2014Difficulty 62 (Academic)
Deserts: Geology and Resources
Walker, A. S. (Alta Sharon)
451 Gutenberg downloadsen2014Difficulty 57 (Graduate)
Field Book: Pennsylvanian Plant Fossils of Illinois
Collinson, Charles William & Skartvedt, Romayne
451 Gutenberg downloadsen2021Difficulty 64 (Academic)
Scientific American Supplement, No. 421, January 26, 1884
Various
451 Gutenberg downloadsen2005Difficulty 56 (Graduate)
Amateur Fish Culture
Walker, Charles Edward
450 Gutenberg downloadsen2008Difficulty 53 (Graduate)
The Geologic Story of Colorado National Monument Revised Edition
Lohman, Stanley William
450 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Animal Castration
Liautard, Alexandre François Augustin
449 Gutenberg downloadsen2019Difficulty 71 (Expert)
Nuclear Clocks Revised
Faul, Henry
449 Gutenberg downloadsen2015Difficulty 59 (Graduate)
Wonders of Creation: A Descriptive Account of Volcanoes and Their Phenomena
Anonymous
449 Gutenberg downloadsen2004Difficulty 59 (Graduate)
Agriculture of the Hidatsa Indians: An Indian Interpretation
Waheenee & Wilson, Gilbert Livingstone
448 Gutenberg downloadsen2019Difficulty 66 (Academic)
Cacao Culture in the Philippines
Lyon, William Scrugham
448 Gutenberg downloadsen2010Difficulty 68 (Academic)
The chocolate-plant (Theobroma cacao) and its products
Anonymous
448 Gutenberg downloadsen2025Difficulty 55 (Graduate)
The story of rope : $b The history and the modern development of rope-making
Plymouth Cordage Company
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Voyager 1 Encounters Saturn
United States. National Aeronautics and Space Administration
448 Gutenberg downloadsen2017Difficulty 62 (Academic)
Geological facts; or, the crust of the earth, what it is, and what are its uses
Barrett, W. G. (William Garland)
447 Gutenberg downloadsen2023Difficulty 67 (Academic)
Appletons' Popular Science Monthly, May 1899 Volume LV, No. 1, May 1899
Various
445 Gutenberg downloadsen2014Difficulty 62 (Academic)
Computers on the Farm Farm Uses for Computers, How to Select Software and Hardware, and Online Information Sources in Agriculture
Smith, Deborah Takiff
445 Gutenberg downloadsen2019Difficulty 59 (Graduate)
Los ingenios: colección de vistas de los principles ingenios de azúcar de la isla de Cuba
Cantero, J. G. (Justo Germán)
445 Gutenberg downloadses2012
Tableau du climat et du sol des États-Unis d'Amérique Suivi d'éclaircissemens sur la Floride, sur la colonie française au Scioto, sur quelques colonies canadiennes, et sur les sauvages
Volney, C.-F. (Constantin-François)
445 Gutenberg downloadsfr2014
Water Supply: the Present Practice of Sinking and Boring Wells With Geological Considerations and Examples of Wells Executed
Spon, Ernest
445 Gutenberg downloadsen2014Difficulty 64 (Academic)
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Huxley, Thomas Henry
444 Gutenberg downloadsen2001Difficulty 58 (Graduate)
The moon : $b a full description and map of its principal physical features
Elger, Thomas Gwyn
444 Gutenberg downloadsen2006Difficulty 72 (Expert)
A Pictorial Atlas of Fossil Remains, consisting of coloured illustrations selected from Parkinson's "Organic remains of a former world," and Artis's "Antediluvian phytology."
Mantell, Gideon Algernon
443 Gutenberg downloadsen2021Difficulty 60 (Graduate)
Etna: A History of the Mountain and of its Eruptions
Rodwell, G. F. (George Farrer)
443 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Sounding the Ocean of Air Being Six Lectures Delivered Before the Lowell Institute of Boston, in December 1898
Rotch, Abbott Lawrence
443 Gutenberg downloadsen2011Difficulty 63 (Academic)
The Ornithosauria An elementary study of the bones of Pterodactyles made from fossil remains found in the Cambridge Upper Greensand, and arranged in the Woodwardian Museum of the University of Cambridge
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443 Gutenberg downloadsen2016Difficulty 58 (Graduate)
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Demuth, Geo. S. (George S.)
442 Gutenberg downloadsen2019Difficulty 59 (Graduate)
The Pleistocene of North America and its vertebrated animals from the states east of the Mississippi River and from the Canadian provinces east of longitude 95°
Hay, Oliver Perry
442 Gutenberg downloadsen2020Difficulty 73 (Expert)
The Rain Cloud or, An Account of the Nature, Properties, Dangers and Uses of Rain in Various Parts of the World
Tomlinson, Charles
442 Gutenberg downloadsen2009Difficulty 67 (Academic)
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Ekblaw, K. J. T. (Karl John Theodore)
441 Gutenberg downloadsen2016Difficulty 52 (Graduate)
Observations of a Naturalist in the Pacific Between 1896 and 1899, Volume 1 Vanua Levu, Fiji
Guppy, H. B. (Henry Brougham)
441 Gutenberg downloadsen2015Difficulty 57 (Graduate)
The Tropical World Aspects of man and nature in the equatorial regions of the globe.
Hartwig, G. (Georg)
441 Gutenberg downloadsen2020Difficulty 95 (Quantum Electrodynamics)
Agricultural zoology
Ritzema Bos, J. (Jan)
440 Gutenberg downloadsen2025Difficulty 52 (Graduate)
Scientific American Supplement, No. 829, November 21, 1891
Various
440 Gutenberg downloadsen2005Difficulty 63 (Academic)
Marvels of Scientific Invention An Interesting Account in Non-Technical Language of the Invention of Guns, Torpedoes, Submarine Mines, Up-to-Date Smelting, Freezing, Colour Photography, and Many Other Recent Discoveries of Science
Corbin, Thomas W.
439 Gutenberg downloadsen2011Difficulty 51 (Graduate)
Scientific American Supplement, No. 430, March 29, 1884
Various
439 Gutenberg downloadsen2005Difficulty 59 (Graduate)
The Ancient Volcanoes of Great Britain, Volume 1 (of 2)
Geikie, Archibald
439 Gutenberg downloadsen2022Difficulty 67 (Academic)
La terre et la lune: forme extérieure et structure interne
Puiseux, P. (Pierre Henri)
438 Gutenberg downloadsfr2009
Outlines of Creation
Noyce, Elisha
437 Gutenberg downloadsen2015Difficulty 68 (Academic)
The Chain of Life in Geological Time A Sketch of the Origin and Succession of Animals and Plants
Dawson, John William, Sir
437 Gutenberg downloadsen2011Difficulty 56 (Graduate)
The Geography of the Region about Devil's Lake and the Dalles of the Wisconsin With Some Notes on Its Surface Geology
Salisbury, Rollin D. & Atwood, Wallace Walter
437 Gutenberg downloadsen2011Difficulty 53 (Graduate)
The life of a fossil hunter
Sternberg, Charles H. (Charles Hazelius)
437 Gutenberg downloadsen2018Difficulty 53 (Graduate)
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Crookes, William
436 Gutenberg downloadsen2020Difficulty 52 (Graduate)
Motor Truck Logging Methods Engineering Experiment Station Series, Bulletin No. 12
Knapp, Frederick Malcolm
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The Elements of Agriculture A Book for Young Farmers, with Questions Prepared for the Use of Schools
Waring, George E. (George Edwin)
436 Gutenberg downloadsen2010Difficulty 53 (Graduate)
The Mirror of Literature, Amusement, and Instruction. Volume 20, No. 564, September 1, 1832
Various
436 Gutenberg downloadsen2004Difficulty 53 (Graduate)
A Living from the Land
Duryee, William B. (William Budington)
435 Gutenberg downloadsen2010Difficulty 61 (Academic)
Introduction to the Study of Palæontological Botany
Balfour, John Hutton
435 Gutenberg downloadsen2016Difficulty 55 (Graduate)
Notes on agriculture in Cyprus and its products
Bevan, William
435 Gutenberg downloadsen2010Difficulty 55 (Graduate)
Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900
Various
434 Gutenberg downloadsen2014Difficulty 60 (Graduate)
Canada West
Canada. Department of the Interior
434 Gutenberg downloadsen2011Difficulty 56 (Graduate)
The Farm That Won't Wear Out
Hopkins, Cyril G. (Cyril George)
434 Gutenberg downloadsen2003Difficulty 70 (Academic)
The Hawaiian Islands Their Resources, Agricultural, Commercial and Financial
Hawaii. Department of Foreign Affairs
434 Gutenberg downloadsen2009Difficulty 53 (Graduate)
The Principles of Stratigraphical Geology
Marr, J. E. (John Edward)
433 Gutenberg downloadsen2013Difficulty 67 (Academic)
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432 Gutenberg downloadsen2011Difficulty 62 (Academic)
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King, Elbert A.
432 Gutenberg downloadsen2019Difficulty 55 (Graduate)
The Shepherd of Banbury's Rules to Judge of the Changes of the Weather, Grounded on Forty Years' Experience
Claridge, John (Shepherd)
432 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Apple Growing
Burritt, M. C. (Maurice Chase)
431 Gutenberg downloadsen2007Difficulty 53 (Graduate)
Lamb Slaughtering, Cutting, Preserving, and Cooking on the Farm
Cross, H. Russell & Green, E. Curtis & Jones, William R. & Kotula, Anthony & West, R. L. (Roger Lawrence)
431 Gutenberg downloadsen2020Difficulty 47 (College)
An Expedition to Mount St. Elias, Alaska
Russell, Israel C. (Cook)
430 Gutenberg downloadsen2020Difficulty 52 (Graduate)
Die Entstehung der Kontinente und Ozeane
Wegener, Alfred
430 Gutenberg downloadsde2014
The honey bee: a manual of instruction in apiculture
Benton, Frank
430 Gutenberg downloadsen2022Difficulty 55 (Graduate)
The Romance of Modern Geology Describing in simple but exact language the making of the earth with some account of prehistoric animal life
Grew, Edwin Sharpe
430 Gutenberg downloadsen2021Difficulty 49 (College)
Underground Treasures: How and Where to Find Them A Key for the Ready Determination of All the Useful Minerals Within the United States
Orton, James
430 Gutenberg downloadsen2016Difficulty 52 (Graduate)
Appletons' Popular Science Monthly, February 1899 Volume LIV, No. 4, February 1899
Various
429 Gutenberg downloadsen2013Difficulty 57 (Graduate)
The English Husbandman (The Second Booke) $b Contayning the Ordering of the Kitchin-Garden, and the Planting of strange flowers: the breeding of all manner of Cattell.
Markham, Gervase
429 Gutenberg downloadsen2023Difficulty 41 (College)
A Century's Progress in Astronomy
Macpherson, Hector
428 Gutenberg downloadsen2020Difficulty 61 (Academic)
Coal, and What We Get from It
Meldola, Raphael
428 Gutenberg downloadsen2010Difficulty 57 (Graduate)
Preliminary Report on Gowganda Mining Division District of Nipissing Ontario
Collins, W. H. (William Henry)
428 Gutenberg downloadsen2021Difficulty 60 (Graduate)
The Atom and the Ocean
Hull, E. W. Seabrook
428 Gutenberg downloadsen2021Difficulty 61 (Academic)
Through a Microscope Something of the Science, Together with many Curious Observations Indoor and Out and Directions for a Home-made Microscope.
Wells, Samuel & Sargent, Frederick Leroy & Treat, Mary
428 Gutenberg downloadsen2011Difficulty 48 (College)
Town Geology
Kingsley, Charles
428 Gutenberg downloadsen2003Difficulty 55 (Graduate)
Les Touâreg du nord
Duveyrier, Henri
427 Gutenberg downloadsfr2025
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Saint Maur, Kate V. (Kate Vandenhoff)
426 Gutenberg downloadsen2019Difficulty 53 (Graduate)
Reading the Weather
Longstreth, T. Morris (Thomas Morris)
426 Gutenberg downloadsen2012Difficulty 51 (Graduate)
Farm Gardening with Hints on Cheap Manuring Quick Cash Crops and How to Grow Them
Anonymous
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Our Italy
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425 Gutenberg downloadsen2009Difficulty 60 (Graduate)
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425 Gutenberg downloadsen2016Difficulty 66 (Academic)
Popular Superstitions, and the Truths Contained Therein With an Account of Mesmerism
Mayo, Herbert
425 Gutenberg downloadsen2018Difficulty 60 (Graduate)
A start in life. A journey across America. Fruit farming in California
Dowsett, C. F. (Charles Finch)
424 Gutenberg downloadsen2004Difficulty 61 (Academic)
Makers of Modern Agriculture
Macdonald, William
424 Gutenberg downloadsen2012Difficulty 52 (Graduate)
The Arctic regions and the northern whale-fishery
Scoresby, William
424 Gutenberg downloadsen2022Difficulty 69 (Academic)
The Corning Egg Farm book, by Corning himself
Corning, Edward & Corning, Gardner
424 Gutenberg downloadsen2023Difficulty 58 (Graduate)
The Story of a Loaf of Bread
Wood, T. B. (Thomas Barlow)
424 Gutenberg downloadsen2016Difficulty 52 (Graduate)
A bacteriological study of ham souring
McBryde, Charles Neil
423 Gutenberg downloadsen2022Difficulty 59 (Graduate)
Coffee and chicory : $b Their culture, chemical composition, preparation for market, and consumption, with simple tests for detecting adulteration, and practical hints for the producer and consumer
Simmonds, P. L. (Peter Lund)
423 Gutenberg downloadsen2018Difficulty 56 (Graduate)
Relics of Primeval Life: Beginning of Life in the Dawn of Geological Time
Dawson, John William, Sir
423 Gutenberg downloadsen2022Difficulty 58 (Graduate)
Tractor Principles The Action, Mechanism, Handling, Care, Maintenance and Repair of the Gas Engine Tractor
Whitman, Roger B. (Roger Bradbury)
423 Gutenberg downloadsen2022Difficulty 60 (Graduate)
How and what to grow in a kitchen garden of one acre
Darlington, E. D. & Moll, L. M.
422 Gutenberg downloadsen2025Difficulty 53 (Graduate)
Sewage and sewerage of farm homes [1922]
Warren, George M. (George Milton)
422 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Herd Record of the Association of Breeders of Thorough-Bred Neat Stock Short Horns, Ayrshires and Devons
Various
421 Gutenberg downloadsen2011Difficulty 45 (College)
Scientific American, Vol. XLIII.—No. 1. [New Series.], July 3, 1880 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
421 Gutenberg downloadsen2012Difficulty 53 (Graduate)
English walnuts : $b What you need to know about planting, cultivating and harvesting this most delicious of nuts
Unknown
420 Gutenberg downloadsen2006Difficulty 53 (Graduate)
Prairie Farmer, Vol. 56: No. 4, January 26, 1884 A Weekly Journal for the Farm, Orchard and Fireside
Various
420 Gutenberg downloadsen2009Difficulty 48 (College)
Common Minerals and Rocks
Crosby, William O. (William Otis)
419 Gutenberg downloadsen2015Difficulty 61 (Academic)
Northern Nut Growers Association Report of the Proceedings at the Eleventh Annual Meeting Washington, D. C. October 7 and 8, 1920
Unknown
419 Gutenberg downloadsen2008Difficulty 49 (College)
Practical Exercises in Elementary Meteorology
Ward, Robert DeCourcy
419 Gutenberg downloadsen2012Difficulty 52 (Graduate)
The Salmon Fishery of Penobscot Bay and River in 1895-96
Smith, Hugh M. (Hugh McCormick)
419 Gutenberg downloadsen2005Difficulty 48 (College)
Transactions of the American Society of Civil Engineers, vol. LXX, Dec. 1910 Tests of Creosoted Timber, Paper No. 1168
Gregory, W. B. (William Benjamin)
419 Gutenberg downloadsen2006Difficulty 42 (College)
Outlines of dairy bacteriology, 10th edition A concise manual for the use of students in dairying
Russell, H. L. (Harry Luman) & Hastings, E. G. (Edwin George)
418 Gutenberg downloadsen2010Difficulty 60 (Graduate)
Climate and Time in Their Geological Relations A Theory of Secular Changes of the Earth's Climate
Croll, James
417 Gutenberg downloadsen2020Difficulty 60 (Graduate)
Kulturgeschichte der Nutzpflanzen, Band IV, 1. Hälfte
Reinhardt, Ludwig
417 Gutenberg downloadsde2020
Physical Geography
Somerville, Mary
417 Gutenberg downloadsen2020Difficulty 72 (Expert)
Rocks and Their Origins
Cole, Grenville A. J. (Grenville Arthur James)
417 Gutenberg downloadsen2022Difficulty 63 (Academic)
The Nut Culturist A Treatise on Propogation, Planting, and Cultivation of Nut Bearing Trees and Shrubs Adapted to the Climate of the United States
Fuller, Andrew S. (Andrew Samuel)
416 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Insect manufactures
Anonymous
415 Gutenberg downloadsen2024Difficulty 60 (Graduate)
Weather Warnings for Watchers
Anonymous
415 Gutenberg downloadsen2014Difficulty 65 (Academic)
An Expository Outline of the "Vestiges of the Natural History of Creation" With a Notice of the Author's "Explanations:" A Sequel to the Vestiges
Laing, S. (Samuel)
414 Gutenberg downloadsen2006Difficulty 66 (Academic)
Ducks and Geese
Lamon, Harry M. & Slocum, Rob R. (Rob Roy)
414 Gutenberg downloadsen2010Difficulty 58 (Graduate)
Het Haarlemmer-Meer-Boek
Leeghwater, Jan Adriaansz & Hasselt, Willem Jan Cornelis van
414 Gutenberg downloadsnl2009
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Bizzarri, Alessandro
413 Gutenberg downloadses2013
Walnut Growing in Oregon
Unknown
413 Gutenberg downloadsen2006Difficulty 54 (Graduate)
Drug Plants Under Cultivation
Stockberger, W. W. (Warner Webster)
412 Gutenberg downloadsen2020Difficulty 64 (Academic)
Hidden Treasure: The Story of a Chore Boy Who Made the Old Farm Pay
Simpson, John Thomas
412 Gutenberg downloadsen2004Difficulty 42 (College)
Life's Dawn on Earth Being the history of the oldest known fossil remains, and their relations to geological time and to the development of the animal kingdom
Dawson, John William, Sir
412 Gutenberg downloadsen2015Difficulty 58 (Graduate)
On the cattle plague: or, Contagious typhus in horned cattle. Its history, origin, description, and treatment
Bourguignon, Honoré
412 Gutenberg downloadsen2011Difficulty 69 (Academic)
Scientific American Supplement, No. 484, April 11, 1885
Various
412 Gutenberg downloadsen2004Difficulty 55 (Graduate)
ASCE 1193: The Water-Works and Sewerage of Monterrey, N. L., Mexico The 4th article from the June, 1911, Volume LXXII, Transactions of the American Society of Civil Engineers. Paper No. 1193, Feb. 1, 1911.
Conway, G. R. G. (George Robert Graham)
411 Gutenberg downloadsen2011Difficulty 55 (Graduate)
Gilbert Weather Bureau (Meteorology) for Boys
Gilbert, A. C. (Alfred Carlton)
411 Gutenberg downloadsen2022Difficulty 48 (College)
The Fayûm and Lake Mœris
Brown, R. H. (Robert Hanbury)
411 Gutenberg downloadsen2023Difficulty 51 (Graduate)
Bases pour servir aux entreprises de colonisation dans les territoires nationaux de la Republique Argentine
Brougnes, Auguste
410 Gutenberg downloadsfr2007
Chambers's Edinburgh Journal, No. 453 Volume 18, New Series, September 4, 1852
Various
410 Gutenberg downloadsen2007Difficulty 60 (Graduate)
De Wereld vóór de schepping van den mensch
Flammarion, Camille
410 Gutenberg downloadsnl2006
Keeping one cow Being the experience of a number of practical writers, in a clear and condensed form, upon the management of a single milch cow
Various
410 Gutenberg downloadsen2022Difficulty 47 (College)
Texas Honey Plants
Sanborn, Charles Emerson & Scholl, Ernest E. (Ernest Emmett)
410 Gutenberg downloadsen2012Difficulty 53 (Graduate)
The Diatomaceæ of Philadelphia and Vicinity
Boyer, Charles S. (Charles Sumner)
410 Gutenberg downloadsen2014Difficulty 67 (Academic)
Three textile raw materials and their manufacture
International Acceptance Bank
410 Gutenberg downloadsen2023Difficulty 61 (Academic)
Appletons' Popular Science Monthly, March 1900 Vol. 56, Nov. 1899 to April, 1900
Various
409 Gutenberg downloadsen2014Difficulty 55 (Graduate)
Bananas: Nature's Institution for the Promotion of Laziness
Perry, Edward Wilkin
409 Gutenberg downloadsen2017Difficulty 52 (Graduate)
Notes on the Fenland; with A Description of the Shippea Man
Hughes, Thomas McKenny
409 Gutenberg downloadsen2013Difficulty 53 (Graduate)
Photographs of Nebulæ and Clusters, Made with the Crossley Reflector
Keeler, James Edward
409 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Prairie, Peak, and Plateau: A Guide to the Geology of Colorado
Chronic, John & Chronic, Halka
409 Gutenberg downloadsen2019Difficulty 69 (Academic)
A Theory of Creation: A Review of 'Vestiges of the Natural History of Creation'
Bowen, Francis
407 Gutenberg downloadsen2008Difficulty 67 (Academic)
Illogical Geology, the Weakest Point in the Evolution Theory
Price, George McCready
407 Gutenberg downloadsen2013Difficulty 66 (Academic)
Northern Nut Growers Association, Report of the Proceedings at the Fourth Annual Meeting Washington D.C. November 18 and 19, 1913
Unknown
407 Gutenberg downloadsen2008Difficulty 48 (College)
The Deluge in the Light of Modern Science: A Discourse
Denton, William
407 Gutenberg downloadsen2008Difficulty 58 (Graduate)
Volcanoes
Tilling, Robert I.
407 Gutenberg downloadsen2014Difficulty 64 (Academic)
Minerals in rock sections : $b The practical methods of identifying minerals in rock sections with the microscope, especially arranged for students in technical and scientific schools
Luquer, Lea McIlvaine
406 Gutenberg downloadsen2025Difficulty 64 (Academic)
Practical Forestry in the Pacific Northwest Protecting Existing Forests and Growing New Ones, from the Standpoint of the Public and That of the Lumberman, with an Outline of Technical Methods
Allen, E. T. (Edward Tyson)
406 Gutenberg downloadsen2006Difficulty 56 (Graduate)
The Ancient Volcanoes of Great Britain, Volume 2 (of 2)
Geikie, Archibald
406 Gutenberg downloadsen2022Difficulty 51 (Graduate)
The Kansas University Quarterly, Vol. I, No. 1 (1892)
Various
406 Gutenberg downloadsen2017Difficulty 58 (Graduate)
History of the Beef Cattle Industry in Illinois
Farley, Frank Webster
405 Gutenberg downloadsen2015Difficulty 50 (College)
Scientific American, Vol. XXXVII.—No. 2. [New Series.], July 14, 1877 A Weekly Journal of Practical Information, Art, Science, Mechanics, Chemistry, and Manufactures
Various
404 Gutenberg downloadsen2012Difficulty 60 (Graduate)
The Old Red Sandstone; or, New Walks in an Old Field
Miller, Hugh
404 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Kulturgeschichte der Nutzpflanzen, Band IV, 2. Hälfte
Reinhardt, Ludwig
403 Gutenberg downloadsde2020
The Forms of Water in Clouds and Rivers, Ice and Glaciers
Tyndall, John
403 Gutenberg downloadsen2020Difficulty 52 (Graduate)
The Water Supply of the El Paso and Southwestern Railway from Carrizozo to Santa Rosa, N. Mex. American Society of Civil Engineers: Transactions, No. 1170
Campbell, John Logan
403 Gutenberg downloadsen2005Difficulty 47 (College)
ABC Butter Making: A Hand-Book for the Beginner
Burch, Frederick S.
402 Gutenberg downloadsen2014Difficulty 47 (College)
Bamboo, Considered as a Paper-making Material With remarks upon its cultivation and treatment. Supplemented by a consideration of the present position of the paper trade in relation to the supply of raw material.
Routledge, Thomas
401 Gutenberg downloadsen2017Difficulty 77 (Expert)
Felicidade pela Agricultura (Vol. I)
Castilho, Antonio Feliciano de
401 Gutenberg downloadspt2022
La Vita Sul Pianeta Marte
Schiaparelli, G. V. (Giovanni Virginio)
401 Gutenberg downloadsit2005
The Edinburgh New Philosophical Journal, Vol. XLIX April-October 1850
Various
401 Gutenberg downloadsen2013Difficulty 66 (Academic)
Ducks and Geese: Standard Breeds and Management
Howard, George E. (George Ellsworth)
400 Gutenberg downloadsen2020Difficulty 50 (College)
Mushroom Culture: Its Extension and Improvement
Robinson, W. (William)
400 Gutenberg downloadsen2012Difficulty 52 (Graduate)
Oudewater en omtrek, Geologisch, Mythologisch en Geschiedkundig Geschetst
Zijll, Willem Cornelis van
400 Gutenberg downloadsnl2018
River and Canal Engineering, the characteristics of open flowing streams, and the principles and methods to be followed in dealing with them.
Bellasis, E. S. (Edward Skelton)
400 Gutenberg downloadsen2018Difficulty 51 (Graduate)
Road Guide to Lassen Volcanic National Park
Schulz, Paul E.
400 Gutenberg downloadsen2016Difficulty 46 (College)
The garden yard : $b A handbook of intensive farming
Hall, Bolton
400 Gutenberg downloadsen2025Difficulty 74 (Expert)
The Introduction of Self-Registering Meteorological Instruments
Multhauf, Robert P.
400 Gutenberg downloadsen2010Difficulty 68 (Academic)
Thoughts on a Pebble, or, A First Lesson in Geology
Mantell, Gideon Algernon
400 Gutenberg downloadsen2020Difficulty 56 (Graduate)
Earth dams, a study
Bassell, Burr
399 Gutenberg downloadsen2022Difficulty 59 (Graduate)
Fig Culture Edible Figs: Their Culture and Curing. Fig Culture in the Gulf States.
Eisen, Gustavus A. & Earle, F. S. (Franklin Sumner)
399 Gutenberg downloadsen2016Difficulty 53 (Graduate)
Scott Greenwood and Co. Catalogue of Special Technical Works, 1903 For Manufacturers, Students, and Technical Schools, by Expert Writers
Scott, Greenwood & Co.
399 Gutenberg downloadsen2013Difficulty 86 (Specialist)
The micro-organisms of the soil
Russell, Edward J. (Edward John) & Rothamsted Experimental Station
399 Gutenberg downloadsen2022Difficulty 62 (Academic)
Hovey's Handbook of the Mammoth Cave of Kentucky A Practical Guide to the Regulation Routes
Hovey, Horace Carver
398 Gutenberg downloadsen2015Difficulty 49 (College)
Mammoth Hot Springs Area: Yellowstone National Park
Anonymous
398 Gutenberg downloadsen2021Difficulty 55 (Graduate)
The American Agriculturist. Vol. II. No. XI, December 1843 Designed to Improve the Planter, the Farmer, the Stock-breeder, and the Horticulturist
Various
398 Gutenberg downloadsen2019Difficulty 54 (Graduate)
A Possible Solution of the Number Series on Pages 51 to 58 of the Dresden Codex
Guthe, Carl E. (Carl Eugen)
397 Gutenberg downloadsen2013Difficulty 51 (Graduate)
Butchering and curing meats in China
Levine, Carl Oscar
397 Gutenberg downloadsen2022Difficulty 52 (Graduate)
The Hollow Earth
Ives, F. T. (Franklin Titus)
397 Gutenberg downloadsen2022Difficulty 55 (Graduate)
The different modes of cultivating the pine-apple From its first introduction into Europe to the late improvements of T.A. Knight, esq.
Loudon, J. C. (John Claudius)
396 Gutenberg downloadsen2014Difficulty 51 (Graduate)
Hemp
Robinson, Brittain B. (Brittain Bragunier)
395 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Webster's practical forestry : $b A popular handbook on the rearing and growth of trees for profit or ornament
Webster, Angus D.
394 Gutenberg downloadsen2025Difficulty 72 (Expert)
Die Nutzpflanzen unserer Kolonien und ihre wirtschaftliche Bedeutung für das Mutterland
Westermann, Diedrich
393 Gutenberg downloadsde2013
Grundzüge der Paläontologie (Paläozoologie). 1. Abteilung: Invertebrata.
Zittel, Karl Alfred von
393 Gutenberg downloadsde2023
The Hurricane Guide Being an Attempt to Connect the Rotary Gale or Revolving Storm with Atmospheric Waves.
Birt, William Radcliff
393 Gutenberg downloadsen2006Difficulty 61 (Academic)
L'art et maniere de semer
Brossard, David
392 Gutenberg downloadsfr2007
The Story of the Hills: A Book About Mountains for General Readers.
Hutchinson, H. N. (Henry Neville)
392 Gutenberg downloadsen2013Difficulty 54 (Graduate)
British Museum (Natural History) General Guide
British Museum (Natural History)
391 Gutenberg downloadsen2018Difficulty 69 (Academic)
Principles and practice of agricultural analysis. Volume 3 (of 3), Agricultural products
Wiley, Harvey Washington
391 Gutenberg downloadsen2025Difficulty 78 (Expert)
The Science of Brickmaking
Harris, George Frederick
391 Gutenberg downloadsen2019Difficulty 58 (Graduate)
Plain Concrete for Farm Use
Miller, T. A. H. (Thomas Arrington Huntington)
390 Gutenberg downloadsen2019Difficulty 51 (Graduate)
The Geologic Story of the Great Plains A nontechnical description of the origin and evolution of the landscape of the Great Plains
Trimble, Donald E.
390 Gutenberg downloadsen2020Difficulty 58 (Graduate)
The Stewardship of the Soil Baccalaureate Address by John Henry Worst, President, North Dakota Agricultural College
Worst, John H. (John Henry)
390 Gutenberg downloadsen2007Difficulty 66 (Academic)
The wonders of radium
Shipley, Maynard
390 Gutenberg downloadsen2025Difficulty 60 (Graduate)
Geology and Inhabitants of the Ancient World
Owen, Richard
389 Gutenberg downloadsen2020Difficulty 64 (Academic)
Northern Nut Growers Association Report of the Proceedings at the Fifth Annual Meeting Evansville, Indiana, August 20 and 21, 1914
Unknown
389 Gutenberg downloadsen2008Difficulty 48 (College)
Dialogo sopra la generatione de venti, baleni, tuoni, fulgori, fiumi, laghi, valli et montagne
Agrippa, Camillo
388 Gutenberg downloadsit2006
The Khedive's Country
Fenn, George Manville
388 Gutenberg downloadsen2010Difficulty 70 (Academic)
Flytraps and Their Operation [1921]
Bishopp, F. C. (Fred Corry)
387 Gutenberg downloadsen2020Difficulty 48 (College)
The northern whale-fishery
Scoresby, William
387 Gutenberg downloadsen2022Difficulty 67 (Academic)
The topography and geology of the Fayum province of Egypt
Beadnell, H. J. L. (Hugh John Llewellyn)
387 Gutenberg downloadsen2024Difficulty 53 (Graduate)
The Wonderland of Trinidad
Barber Asphalt Paving Co.
387 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Atoms in Agriculture: Applications of Nuclear Science to Agriculture (Revised)
Osborne, Thomas S.
386 Gutenberg downloadsen2015Difficulty 58 (Graduate)
Farming with Dynamite: A Few Hints to Farmers
E.I. du Pont de Nemours & Company
386 Gutenberg downloadsen2012Difficulty 49 (College)
The evolution of climate
Brooks, C. E. P. (Charles Ernest Pelham)
386 Gutenberg downloadsen2024Difficulty 65 (Academic)
The National Geographic Magazine, Vol. I., No. 3, July, 1889
Various
386 Gutenberg downloadsen2015Difficulty 64 (Academic)
New England Salmon Hatcheries and Salmon Fisheries in the Late 19th Century
Various
385 Gutenberg downloadsen2005Difficulty 53 (Graduate)
Asbestos, Its production and use With some account of the asbestos mines of Canada
Jones, Robert H.
384 Gutenberg downloadsen2011Difficulty 64 (Academic)
De Reis om de Wereld
Darwin, Charles
384 Gutenberg downloadsnl2010
The Solution of the Pyramid Problem; or, Pyramid Discoveries With a New Theory as to their Ancient Use
Ballard, Robert
384 Gutenberg downloadsen2012Difficulty 51 (Graduate)
Practical Angora Goat Raising
Unknown
382 Gutenberg downloadsen2010Difficulty 49 (College)
The Peanut Plant: Its Cultivation And Uses
Jones, B. W.
382 Gutenberg downloadsen2009Difficulty 51 (Graduate)
Cottontail Rabbits in Relation to Trees and Farm Crops
Lantz, David E. (David Ernest)
380 Gutenberg downloadsen2010Difficulty 54 (Graduate)
The mighty deep : $b and what we know of it
Giberne, Agnes
380 Gutenberg downloadsen2023Difficulty 46 (College)
Problems of the Libyan Desert
Ball, John
379 Gutenberg downloadsen2025Difficulty 67 (Academic)
The Almond in California
Taylor, R. H. (Ralph Hawley)
379 Gutenberg downloadsen2021Difficulty 58 (Graduate)
The National Geographic Magazine, Vol. I., No. 4, October, 1889
Various
379 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Die Naturwissenschaften in ihrer Entwicklung und in ihrem Zusammenhange, I. Band Von den Anfängen bis zum Wiederaufleben der Wissenschaften
Dannemann, Friedrich
377 Gutenberg downloadsde2016
The Vailan or annular theory: A synopsis of Prof. I. N. Vail's argument in support of the claim that this Earth once possessed a Saturn-like system of rings
Bowers, Stephen
377 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Craters of the Moon A Guide to Craters of the Moon National Monument, Idaho
United States. National Park Service. Division of Publications
375 Gutenberg downloadsen2020Difficulty 59 (Graduate)
A Pictorial Booklet on Early Jamestown Commodities and Industries
Hudson, J. Paul
373 Gutenberg downloadsen2012Difficulty 59 (Graduate)
Bryce Canyon National Park, Utah (1952)
United States. National Park Service
373 Gutenberg downloadsen2019Difficulty 58 (Graduate)
History of Farming in Ontario
James, C. C. (Charles Canniff)
373 Gutenberg downloadsen2009Difficulty 59 (Graduate)
Missions au Sahara, tome 2 : $b Sahara soudanais
Chudeau, René
373 Gutenberg downloadsfr2024
The Ranidae: How to breed, feed and raise the edible frog
Unknown
373 Gutenberg downloadsen2010Difficulty 47 (College)
Камено доба
Zujovic, Jovan
373 Gutenberg downloadssr2004
A visit to a farm house; or, An introduction to various subjects connected with rural economy. Seventh edition, revised and corrected.
S. W., active 1801-1820?
372 Gutenberg downloadsen2022Difficulty 35 (High School)
Are the Planets Inhabited?
Maunder, E. Walter (Edward Walter)
372 Gutenberg downloadsen2011Difficulty 59 (Graduate)
Field Mice as Farm and Orchard Pests
Lantz, David E. (David Ernest)
372 Gutenberg downloadsen2013Difficulty 54 (Graduate)
O credito agricola em Portugal
Lima, Jaime de Magalhães
372 Gutenberg downloadspt2008
The Ohio naturalist, Vol. 1, No. 4, February 1901
Ohio State University. Biological Club
372 Gutenberg downloadsen2022Difficulty 49 (College)
Report on the geology of the Henry Mountains
Gilbert, Grove Karl
371 Gutenberg downloadsen2025Difficulty 58 (Graduate)
Complete Treatise on the mare and foal at the time of delivery, with illustrations. Also on cows and calves, with stallion and mare, when diseased by Gonorrhea (clap) or Pox, also Diarrhea and Costiveness in Colts.
Mitchell, Conrad
370 Gutenberg downloadsen2016Difficulty 49 (College)
How to Select Cows or, The Guenon system simplified, explained, and practically applied
Hazard, Willis P. (Willis Pope)
370 Gutenberg downloadsen2020Difficulty 60 (Graduate)
Practical Farm Buildings: Plans and Suggestions
Hunter, Andrew Frederick
370 Gutenberg downloadsen2021Difficulty 51 (Graduate)
The Journal of Geology, May-June 1893 A Semi-Quarterly Magazone of Geology and Related Sciences
Various
370 Gutenberg downloadsen2019Difficulty 76 (Expert)
The National Geographic Magazine, Vol. II., No. 2, May, 1890
Various
370 Gutenberg downloadsen2016Difficulty 67 (Academic)
The Popular Science Monthly, July, 1900 Vol. 57, May, 1900 to October, 1900
Various
370 Gutenberg downloadsen2014Difficulty 56 (Graduate)
Fossil Forests of the Yellowstone National Park
Knowlton, Frank Hall
369 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Sewage and sewerage of farm homes [1928]
Warren, George M. (George Milton)
369 Gutenberg downloadsen2020Difficulty 57 (Graduate)
The $100 Prize Essay on the Cultivation of the Potato. Prize offered by W. T. Wylie and awarded to D. H. Compton. How to Cook the Potato, Furnished by Prof. Blot.
Compton, D. A.
369 Gutenberg downloadsen2008Difficulty 54 (Graduate)
Breves instrucções aos correspondentes da Academia das Sciencias de Lisboa sobre as remessas dos productos, e noticias pertencentes a' Historia da Natureza, para formar hum Museo Nacional
Unknown
368 Gutenberg downloadspt2005
Industrial Minerals and Metals of Illinois
Lamar, J. E. (John Everts)
368 Gutenberg downloadsen2021Difficulty 56 (Graduate)
Standard methods for the examination of water and sewage
American Public Health Association. Laboratory Section & American Chemical Society & Association of Official Agricultural Chemists (U.S.)
368 Gutenberg downloadsen2020Difficulty 71 (Expert)
Submerged forests
Reid, Clement
366 Gutenberg downloadsen2023Difficulty 58 (Graduate)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 01 (1820)
Various
366 Gutenberg downloadsen2014Difficulty 67 (Academic)
Time and Life: Mr. Darwin's "Origin of Species"
Huxley, Thomas Henry
366 Gutenberg downloadsen2001Difficulty 72 (Expert)
Krakatau en de Straat Soenda De Aarde en haar Volken, 1886
Cotteau, Edmond
365 Gutenberg downloadsnl2005
Natural & Artificial Sewage Treatment
Jones, Alfred Stowell & Roechling, H. Alfred
365 Gutenberg downloadsen2018Difficulty 61 (Academic)
An Egyptian oasis : $b An account of the oasis of Kharga in the Libyan desert, with special reference to its history, physical geography, and water-supply
Beadnell, H. J. L. (Hugh John Llewellyn)
364 Gutenberg downloadsen2023Difficulty 63 (Academic)
Barium: A Cause of the Loco-Weed Disease
Crawford, Albert C. (Albert Cornelius)
364 Gutenberg downloadsen2012Difficulty 57 (Graduate)
The Rural Life Problem of the United States Notes of an Irish Observer
Plunkett, Horace Curzon, Sir
364 Gutenberg downloadsen2008Difficulty 70 (Academic)
A history of Vermont's maple sugar industry
Vermont Maple Sugar Makers Association
363 Gutenberg downloadsen2023Difficulty 51 (Graduate)
Common names of a selected list of plants
Anderson, Kling L. & Owensby, Clenton E.
363 Gutenberg downloadsen2023Difficulty 79 (Expert)
Von Sonnen und Sonnenstäubchen : $b Kosmische Wanderungen
Bölsche, Wilhelm
363 Gutenberg downloadsde2025
Wind and Weather
McAdie, Alexander
363 Gutenberg downloadsen2011Difficulty 52 (Graduate)
The History of Esculent Fish
North, Roger
362 Gutenberg downloadsen2021Difficulty 47 (College)
Ueber die schrecklichen Wirkungen des Aufsturzes eines Kometen auf die Erde und über die vor fünftausend Jahren gehabte Erscheinung dieser Art
Gelpke, August Heinrich Christian
362 Gutenberg downloadsde2006
A Treatise on Sheep: The Best Means for their Improvement, General Management, and the Treatment of their Diseases.
Blacklock, Ambrose
361 Gutenberg downloadsen2011Difficulty 54 (Graduate)
Bee Keeping for Profit. A New System of Bee Management (1880) First Edition.
Cotton, Lizzie E., Mrs.
361 Gutenberg downloadsen2022Difficulty 51 (Graduate)
Histoire d'une Montagne
Reclus, Elisée
361 Gutenberg downloadsfr2019
Cork: Its Origin and Industrial Uses
Stecher, Gilbert Erwin
360 Gutenberg downloadsen2012Difficulty 60 (Graduate)
Address delivered by Hon. Henry H. Crapo, Governor of Michigan, before the Central Michigan Agricultural Society, at their Sheep-shearing Exhibition held at the Agricultural College Farm, on Thursday, May 24th, 1866
Crapo, Henry Howland
359 Gutenberg downloadsen2009Difficulty 63 (Academic)
The flow of time in the Connecticut valley : $b geological imprints
Bain, George W. (George William) & Meyerhoff, Howard A. (Howard Augustus)
359 Gutenberg downloadsen2018Difficulty 56 (Graduate)
Spices, Their Nature and Growth; The Vanilla Bean; A Talk on Tea
McCormick & Co. (Baltimore, Md.)
358 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Turkey Raising
Marsden, Stanley J. & Lee, Alfred R.
358 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Les Merveilles de la Locomotion
Deharme, E. (Ernest)
357 Gutenberg downloadsfr2013
The Mentor: The Story of Coal, vol. 6, Num. 6, Serial No. 154, May 1, 1918
Talman, Charles Fitzhugh
357 Gutenberg downloadsen2016Difficulty 56 (Graduate)
The Ohio Journal of Science, Vol. XVI, No. 1, November 1915
Various
357 Gutenberg downloadsen2017Difficulty 50 (College)
Contagious Abortion of Cows
MacNeal, Ward J.
356 Gutenberg downloadsen2011Difficulty 66 (Academic)
The Cocoanut: With reference to its products and cultivation in the Philippines
Lyon, William Scrugham
356 Gutenberg downloadsen2010Difficulty 60 (Graduate)
The Geologic Story of Mount Rainier A look at the geologic past of one of America's most scenic volcanoes
Crandell, Dwight R. (Dwight Raymond)
356 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Records of the Fossil Mammal Sinclairella, Family Apatemyidae, From the Chadronian and Orellan
Clemens, William A. (William Alvin)
355 Gutenberg downloadsen2009Difficulty 57 (Graduate)
A New Genus of Pennsylvanian Fish (Crossopterygii, Coelacanthiformes) from Kansas
Echols, Joan
354 Gutenberg downloadsen2010Difficulty 61 (Academic)
Drainage modifications and glaciation in the Danbury region, Connecticut
Harvey, Ruth Sawyer
354 Gutenberg downloadsen2010Difficulty 60 (Graduate)
De aardbeving van San Francisco De Aarde en haar Volken, 1907
Vries, Hugo de
353 Gutenberg downloadsnl2006
Sweet Clover: Utilization
Coe, H. S.
353 Gutenberg downloadsen2020Difficulty 49 (College)
The Law of Storms The various phenomena by which their approach can be ascertained with certainty, and practical directions to mariners for the avoidance of their fury, compiled from various sources
Ross, John
353 Gutenberg downloadsen2017Difficulty 51 (Graduate)
The puzzle of life and how it has been put together : $b A short history of the formation of the earth, with its vegetable and animal life, from the earliest times, including an account of prehistoric man, his weapons, tools, and works
Nicols, Arthur
352 Gutenberg downloadsen2025Difficulty 49 (College)
A decade of negro extension work, 1914-1924
Martin, O. B. (Oscar Baker)
351 Gutenberg downloadsen2023Difficulty 61 (Academic)
Geologische Beobachtungen über die Vulcanischen Inseln Mit kurzen Bemerkungen über die Geologie von Australien und dem Cap der guten Hoffnung
Darwin, Charles
351 Gutenberg downloadsde2010
Meteorology; or, Weather Explained
M'Pherson, J. G. (John Gordon)
351 Gutenberg downloadsen2012Difficulty 47 (College)
Scientific American Supplement, No. 648, June 2, 1888.
Various
351 Gutenberg downloadsen2011Difficulty 54 (Graduate)
The Percheron horse
Du Hays, Charles
351 Gutenberg downloadsen2023Difficulty 60 (Graduate)
The Rural Magazine, and Literary Evening Fire-Side, Vol. 1 No. 08 (1820)
Various
351 Gutenberg downloadsen2015Difficulty 62 (Academic)
Guatemala, the country of the future
Pepper, Charles M. (Charles Melville)
350 Gutenberg downloadsen2011Difficulty 61 (Academic)
Hints on Dairying
Curtis, T. D. (Thomas Day)
350 Gutenberg downloadsen2013Difficulty 50 (College)
A Method of Tanning without Bark
Maple, William
349 Gutenberg downloadsen2018Difficulty 60 (Graduate)
A Monograph of the Trilobites of North America: with Coloured Models of the Species
Green, Jacob
349 Gutenberg downloadsen2021Difficulty 63 (Academic)
Cork: Being the story of the origin of cork, the processes employed in its manufacture & its various uses in the world to-day
Armstrong Cork Company
349 Gutenberg downloadsen2023Difficulty 68 (Academic)
Total Per Cent Lambing Rules
Boylan, Thomas
349 Gutenberg downloadsen2013Difficulty 43 (College)
Growing Crimson Clover
Kephart, L. W. (Leonard Wheeler)
348 Gutenberg downloadsen2020Difficulty 56 (Graduate)
Volcanoes of the United States
Brantley, Steven R.
348 Gutenberg downloadsen2018Difficulty 66 (Academic)
Mineral Survey Procedures Guide, 1980
Unknown
347 Gutenberg downloadsen2020Difficulty 61 (Academic)
Peter Parley's Wonders of the Earth, Sea, and Sky
Goodrich, Samuel G. (Samuel Griswold)
347 Gutenberg downloadsen2020Difficulty 53 (Graduate)
Reis door Noord Amerika : $b Gedaan door den Heer Pieter Kalm
Kalm, Pehr
347 Gutenberg downloadsnl2023
The Nakimu Caves, Glacier Dominion Park, B. C.
Canada. National Parks Branch
347 Gutenberg downloadsen2016Difficulty 54 (Graduate)
The Negro Farmer
Kelsey, Carl
347 Gutenberg downloadsen2009Difficulty 54 (Graduate)
Coyotes in Their Economic Relations
Lantz, David E. (David Ernest)
346 Gutenberg downloadsen2014Difficulty 54 (Graduate)
The Bedbug [1934]
Marlatt, C. L.
346 Gutenberg downloadsen2020Difficulty 62 (Academic)
The Divining Rod: Virgula Divina—Baculus Divinatorius (Water-Witching)
Latimer, Charles
346 Gutenberg downloadsen2014Difficulty 47 (College)
The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900
Various
346 Gutenberg downloadsen2014Difficulty 68 (Academic)
Pecan Diseases and Pests and Their Control
Rosburg, David W. & King, D. R.
345 Gutenberg downloadsen2021Difficulty 64 (Academic)
The Mentor: Reclaiming the Desert, Vol. 6, Num. 17, Serial No. 165, October 15, 1918
Blanchard, C. J. (Clarence John)
344 Gutenberg downloadsen2015Difficulty 59 (Graduate)
De Wonderbouw der Wereld : $b De Grondslagen van Ons Sterrekundig Wereldbeeld Populair Uiteengezet
Pannekoek, Anton
342 Gutenberg downloadsnl2019
Northern Nut Growers Association Report of the Proceedings at the Fourteenth Annual Meeting Washington D.C. September 26, 27 and 28 1923
Unknown
342 Gutenberg downloadsen2008Difficulty 47 (College)
Sewage and Garbage Disposal on the Farm
Rockey, J. W. (John Wesley) & Simons, Joseph Winslow
342 Gutenberg downloadsen2020Difficulty 54 (Graduate)
L'art de faire le vin avec les raisins secs
Audibert, J.-F. (Joseph-François)
341 Gutenberg downloadsfr2013
Petrified Forest National Monument, Arizona
Smith, Dama Margaret
341 Gutenberg downloadsen2016Difficulty 52 (Graduate)
The Coming Ice Age
Taber, C. A. M. (Charles Austin Mendell)
341 Gutenberg downloadsen2019Difficulty 77 (Expert)
The description and use of the globes and the orrery To which is prefix'd, by way of introduction, a brief account of the solar system
Harris, Joseph
341 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Beach Rambles in Search of Seaside Pebbles and Crystals With Some Observations on the Origin of the Diamond and Other Precious Stones
Francis, John George
340 Gutenberg downloadsen2018Difficulty 55 (Graduate)
Glaciers and Glaciation in Glacier National Park
Dyson, James L. (James Lindsay)
340 Gutenberg downloadsen2020Difficulty 56 (Graduate)
Stock and stalks : $b A book for the dairy farmer
Roberts, James Russel
340 Gutenberg downloadsen2023Difficulty 44 (College)
Sweet-Clover Seed
Coe, H. S. & Martin, John N. (John Nathan)
340 Gutenberg downloadsen2020Difficulty 60 (Graduate)
The Journal of Geology, January-February 1893 A Semi-Quarterly Magazine of Geology and Related Sciences
Various
340 Gutenberg downloadsen2019Difficulty 71 (Expert)
The Manufacture of Tomato Products Including whole tomato pulp or puree, tomato catsup, chili sauce, tomato soup, trimming pulp
Hier, W. G. (Wayland Gladstone)
340 Gutenberg downloadsen2021Difficulty 65 (Academic)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 45, Vol. I, November 8, 1884
Various
339 Gutenberg downloadsen2021Difficulty 53 (Graduate)
Inside Illinois: Mineral Resources
Illinois State Geological Survey
339 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Lectures on Ventilation Being a Course Delivered in the Franklin Institute of Philadelphia
Leeds, Lewis W.
339 Gutenberg downloadsen2011Difficulty 67 (Academic)
The Book of Shells Containing the Classes Mollusca, Conchifera, Cirrhipeda, Annulata, and Crustacea
Society for Promoting Christian Knowledge (Great Britain). Committee of General Literature and Education
339 Gutenberg downloadsen2019Difficulty 64 (Academic)
A Manual or an Easy Method of Managing Bees
Weeks, John M. (John Moseley)
338 Gutenberg downloadsen2008Difficulty 51 (Graduate)
Blackwood's Edinburgh Magazine, Vol. 76, No. 468, October, 1854
Various
338 Gutenberg downloadsen2025Difficulty 69 (Academic)
Les grands froids
Bouant, Emile
338 Gutenberg downloadsfr2013
Natural and Artificial Duck Culture
Rankin, James
338 Gutenberg downloadsen2012Difficulty 50 (College)
Notes on Diseases of Swine, Sheep, Poultry and the Dog Cause, Symptoms and Treatments
Korinek, Charles James
338 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Crimson Clover [1947]
Hollowell, E. A. (Eugene Amos)
337 Gutenberg downloadsen2020Difficulty 54 (Graduate)
Devils Postpile National Monument, California [1984]
United States. National Park Service
337 Gutenberg downloadsen2021Difficulty 55 (Graduate)
Een Reis naar het Land van de Cacao en de Suiker De Aarde en haar Volken, 1908
Dufau, Th.
337 Gutenberg downloadsnl2007
Forestry for Farmers
Fernow, B. E. (Bernhard Eduard)
337 Gutenberg downloadsen2020Difficulty 62 (Academic)
How Old Is It? The Story of Dating in Archeaology
Schoenwetter, James
337 Gutenberg downloadsen2021Difficulty 54 (Graduate)
Poultry diseases Causes, symptoms and treatment, with notes on post-mortem examinations
Wortley, E. J. (E. Jocelyn)
337 Gutenberg downloadsen2022Difficulty 57 (Graduate)
Blackwood's Edinburgh Magazine, No. 401, March 1849
Various
336 Gutenberg downloadsen2013Difficulty 64 (Academic)
The Geology of Button Bay State Park
Dodge, Harry W.
336 Gutenberg downloadsen2020Difficulty 51 (Graduate)
Felicidade pela Agricultura (Vol. II)
Castilho, Antonio Feliciano de
335 Gutenberg downloadspt2023
Pig Raising: A Manual for Pig Clubs
Nolan, Aretas Wilbur & Greene, James Henry
335 Gutenberg downloadsen2020Difficulty 47 (College)
The Ancestry of Modern Amphibia: A Review of the Evidence
Eaton, Theodore H. (Theodore Hildreth)
335 Gutenberg downloadsen2011Difficulty 69 (Academic)
A Profitable Instruction of the Perfite Ordering of Bees With the Maruellous Nature, Propertie, and Gouernemente of Them: and the Necessarie Vses Both of Their Honie and Waxe, Seruing Diuersly, as Well in Inward as Outward Causes: Gathered Out of the Best Writers
Hill, Thomas
334 Gutenberg downloadsen2014Difficulty 50 (College)
Darstellende Geometrie des Geländes und verwandte Anwendungen der Methode der kotierten Projektionen
Rothe, Rudolf
334 Gutenberg downloadsde2018
Glaciers of the Rockies and Selkirks, 2nd. ed. With Notes on Five Great Glaciers of the Canadian National Parks
Coleman, A. P. (Arthur Philemon)
334 Gutenberg downloadsen2016Difficulty 56 (Graduate)
Le Sahara
Gautier, E. F. (Emile Félix)
333 Gutenberg downloadsfr2025
The farm and the woodlot
Barton, J. E.
333 Gutenberg downloadsen2023Difficulty 56 (Graduate)
Florida Caverns State Park Marianna, Florida
Vernon, Robert O. (Robert Orion)
332 Gutenberg downloadsen2014Difficulty 58 (Graduate)
Links With the Past in the Plant World
Seward, A. C. (Albert Charles)
332 Gutenberg downloadsen2020Difficulty 65 (Academic)
Breeding minks in Louisiana for their fur: A profitable industry
Elfer, William André
331 Gutenberg downloadsen2012Difficulty 48 (College)
The Mentor: The Weather Serial Number 110; 1 July, 1916
Talman, Charles Fitzhugh
331 Gutenberg downloadsen2011Difficulty 58 (Graduate)
Conservation Through Engineering Extract from the Annual Report of the Secretary of the Interior
Lane, Franklin K.
330 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Sand dunes story
Bessken, Donna P. (Donna Paul)
330 Gutenberg downloadsen2020Difficulty 47 (College)
Soft Candy for Bees
Gates, Burton N. (Burton Noble)
330 Gutenberg downloadsen2011Difficulty 50 (College)
Breves palavras sobre a cultura da Oliveira
Nunes d'Almeida, Avelino
329 Gutenberg downloadspt2010
Peppermint
Henkel, Alice
329 Gutenberg downloadsen2025Difficulty 55 (Graduate)
Trotwood's Monthly, Vol. I, No. 1, October 1905
Various
327 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Instrvcçam sobre a cvltvra das amoreiras, & criaçaõ dos bichos da seda dirigida a conseruaçaõ, & augmento das manufacturas da seda, estabelecidas pelo... Principe Dom Pedro, Governador, e Regente dos Reinos de Portugal
Bluteau, Rafael
326 Gutenberg downloadspt2022
The exploration of Tibesti, Erdi, Borkou, and Ennedi in 1912-1917 : $b a mission entrusted to the author by the French Institute
Tilho, Jean
326 Gutenberg downloadsen2025Difficulty 65 (Academic)
The Ohio naturalist, Vol. 1, No. 8, June 1901
Ohio State University. Biological Club
326 Gutenberg downloadsen2022Difficulty 51 (Graduate)
An Essay on the Encroachments of the German Ocean Along the Norfolk Coast With a Design to Arrest Its Further Depredations
Hewitt, William
325 Gutenberg downloadsen2018Difficulty 65 (Academic)
L'anatra: Allevamento per la produzione della carne
Gonin, Carlo Alberto
325 Gutenberg downloadsit2018
Sewage Disposal on the Farm, and Protection of Drinking Water
Smith, Theobald
325 Gutenberg downloadsen2020Difficulty 57 (Graduate)
The Geology of Calvin Coolidge State Forest
Dodge, Harry W.
325 Gutenberg downloadsen2020Difficulty 62 (Academic)
Sweet Clover: Harvesting and Thrashing the Seed Crop
Coe, H. S.
324 Gutenberg downloadsen2020Difficulty 48 (College)
The Florist and Horticultural Journal, Vol. II. No. 7, July, 1853 A Monthly Magazine of Horticulture, Agriculture, Botany, Agricultural Chemistry, Entomology, &c.
Various
324 Gutenberg downloadsen2018Difficulty 55 (Graduate)
The Philosophy of Earthquakes, Natural and Religious or, An Inquiry Into Their Cause, and Their Purpose
Stukeley, William
324 Gutenberg downloadsen2020Difficulty 56 (Graduate)
The Underworld of Oregon Caves National Monument
Contor, Roger J.
324 Gutenberg downloadsen2019Difficulty 56 (Graduate)
Home-made cider vinegar
Sackett, Walter G. (Walter George)
323 Gutenberg downloadsen2023Difficulty 52 (Graduate)
Jahreszahlen der Erdgeschichte
Lotze, Reinhold
323 Gutenberg downloadsde2022
A study of some factors influencing fertility and sterility in the bull
Gilman, Herbert Lester
322 Gutenberg downloadsen2024Difficulty 67 (Academic)
Agatized Rainbows: A Story of the Petrified Forest
Brodrick, Harold J.
322 Gutenberg downloadsen2016Difficulty 58 (Graduate)
Au Hoggar : $b mission de 1922
Kilian, Conrad
322 Gutenberg downloadsfr2024
Beginselen der dierkunde
Ritzema Bos, J. (Jan)
322 Gutenberg downloadsnl2010
Sweet Clover: Growing the Crop
Coe, H. S.
322 Gutenberg downloadsen2015Difficulty 55 (Graduate)
Eucalyptos e Acacias: Vinte annos de experiencias
Lima, Jaime de Magalhães
321 Gutenberg downloadspt2009
The penny magazine of the Society for the Diffusion of Useful Knowledge, issue 15, June 30, 1832
Unknown
321 Gutenberg downloadsen2025Difficulty 60 (Graduate)
A treatise on the culture of the tobacco plant with the manner in which it is usually cured Adapted to northern climates, and designed for the use of the landholders of Great-Britain.
Carver, Jonathan
320 Gutenberg downloadsen2014Difficulty 58 (Graduate)
The Face of the Earth as Seen from the Air A Study in the Application of Airplane Photography to Geography
Lee, Willis T. (Willis Thomas)
320 Gutenberg downloadsen2020Difficulty 59 (Graduate)
Earthquakes
Shedlock, Kaye M. & Pakiser, L. C. (Louis Charles)
319 Gutenberg downloadsen2014Difficulty 63 (Academic)
Opúsculos por Alexandre Herculano - Tomo 07
Herculano, Alexandre
319 Gutenberg downloadspt2005
Theory and Practice, Applied to the Cultivation of the Cucumber in the Winter Season To Which Is Added a Chapter on Melons
Moore, Thomas
319 Gutenberg downloadsen2010Difficulty 83 (Specialist)
Im Zauber des Tierlebens
Lucanus, Friedrich von
318 Gutenberg downloadsde2024
Weather, Crops, and Markets. Vol. 2, No. 6
Anonymous
318 Gutenberg downloadsen2019Difficulty 51 (Graduate)
Baharia Oasis : $b Its topography and geology
Ball, John & Beadnell, H. J. L. (Hugh John Llewellyn)
317 Gutenberg downloadsen2024Difficulty 58 (Graduate)
Op Martinique en Sint-Vincent, de veelgeteisterde eilanden De Aarde en haar Volken, 1904
Verschuur, Gerrit
317 Gutenberg downloadsnl2009
Profitable poultry : $b Their management in health and disease
Tegetmeier, W. B. (William Bernhard)
317 Gutenberg downloadsen2024Difficulty 65 (Academic)
Some Common Birds Useful to the Farmer (1926 edition)
Beal, F. E. L. (Foster Ellenborough Lascelles)
317 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Ephemerides Barometricae Mutinenses (anni M.DC.XCIV) Cum Disquisitione Causae ascensus ac descensus Mercurii in Torricelliana fistula iuxta diversum Aeris statum
Ramazzini, Bernardino & Boccabadati, Giovan Battista & Torti, Francesco
316 Gutenberg downloadsla2016
How We Are Fed: A Geographical Reader
Chamberlain, James Franklin
316 Gutenberg downloadsen2012Difficulty 43 (College)
Margaret Mahaney Talks About Turkeys
Mahaney, Margaret
316 Gutenberg downloadsen2014Difficulty 47 (College)
Stellar Evolution and Its Relations to Geological Time
Croll, James
316 Gutenberg downloadsen2015Difficulty 60 (Graduate)
Barrier beaches of the Atlantic coast
Merrill, Frederick J. H. (Frederick James Hamilton)
315 Gutenberg downloadsen2022Difficulty 59 (Graduate)
How to Prosper in Boll Weevil Territory
Alford, George Howard
315 Gutenberg downloadsen2010Difficulty 54 (Graduate)
Geography of the Air
Greely, A. W. (Adolphus Washington)
314 Gutenberg downloadsen2020Difficulty 70 (Academic)
Reise in die Aequinoctial-Gegenden des neuen Continents. Band 4.
Humboldt, Alexander von
314 Gutenberg downloadsde2012
The Geologic Story of Glacier National Park
Dyson, James L. (James Lindsay)
312 Gutenberg downloadsen2019Difficulty 55 (Graduate)
Der Tabak: Studien über seine Kultur und Biologie
Koning, C. J. (Cornelis Johan)
311 Gutenberg downloadsde2016
Water Power for the Farm and Country Home
Cooper, David R.
311 Gutenberg downloadsen2020Difficulty 62 (Academic)
Chiricahua National Monument (1958)
United States. National Park Service
310 Gutenberg downloadsen2019Difficulty 61 (Academic)
Nitrogen Bacteria and Legumes With special reference to red clover, cowpeas, soy beans, alfalfa, and sweet clover, on Illinois soils
Hopkins, Cyril G. (Cyril George)
310 Gutenberg downloadsen2018Difficulty 58 (Graduate)
Poultry for profit
Power, R. A. (Richard Anderson)
310 Gutenberg downloadsen2025Difficulty 49 (College)
Het Yellowstone-Park
Vries, Hugo de
309 Gutenberg downloadsnl2016
Louisiana Beef Cattle
Stubbs, William Carter
309 Gutenberg downloadsen2011Difficulty 64 (Academic)
The Anatomy of Vegetables Begun With a General Account of Vegetation founded thereon
Grew, Nehemiah
309 Gutenberg downloadsen2018Difficulty 48 (College)
Two New Pelycosaurs from the Lower Permian of Oklahoma
Fox, Richard C.
309 Gutenberg downloadsen2009Difficulty 59 (Graduate)
The Moon
Farrington, Oliver C. (Oliver Cummings)
308 Gutenberg downloadsen2022Difficulty 56 (Graduate)
Festländer und Meere im Wechsel der Zeiten
Bölsche, Wilhelm
307 Gutenberg downloadsde2017
Florida: An Ideal Cattle State
Florida State Live Stock Association
307 Gutenberg downloadsen2010Difficulty 59 (Graduate)
Hochtouren im tropischen Amerika
Meyer, Hans
307 Gutenberg downloadsde2023
The Geology of Mt. Mansfield State Forest
Christman, Robert A. (Robert Adam)
307 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Crimson Clover [1938]
Hollowell, E. A. (Eugene Amos)
306 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Humboldt From 'The Gods and Other Lectures'
Ingersoll, Robert Green
306 Gutenberg downloadsen2011Difficulty 62 (Academic)
Rapport sur un voyage botanique en Algérie, de Philippeville à Biskra et dans les Monts Aurès, entrepris en 1853 sous le patronage du Ministère de la guerre
Cosson, E. (Ernest)
305 Gutenberg downloadsfr2024
The cranberry
Bradley Fertilizer Company
305 Gutenberg downloadsen2023Difficulty 55 (Graduate)
Crimson Clover: Growing the Crop
Westgate, J. M. (John Minton)
304 Gutenberg downloadsen2020Difficulty 53 (Graduate)
Aus den Tiefen des Weltmeeres Schilderungen von der deutschen Tiefsee-Expedition
Chun, Carl
303 Gutenberg downloadsde2014
Cotton, Its Progress from the Field to the Needle Being a brief sketch of the culture of the plant, its picking, cleaning, packing, shipment, and manufacture
Anonymous
303 Gutenberg downloadsen2011Difficulty 57 (Graduate)
Cultura e opulencia do Brasil por suas drogas e minas : $b com varias noticias curiosas do modo de fazer o assucar; plantar e beneficiar o tabaco; tirar ouro das minas, e descubrir as da prata; e dos grandes emolumentos que esta conquista da America Meridional da' ao Reino de Portugal, com estes, e outros generos, e contratos reaes
Antonil, André João
303 Gutenberg downloadspt2023
Jethro Wood, Inventor of the Modern Plow. A Brief Account of His Life, Services, and Trials; Together with Facts Subsequent to his Death, and Incident to His Great Invention
Gilbert, Frank
303 Gutenberg downloadsen2012Difficulty 55 (Graduate)
A természettudomány fejlődésének története (1. kötet)
Bölsche, Wilhelm
302 Gutenberg downloadshu2022
La flore utile du bassin de la Gambie
Rançon, A. (André)
302 Gutenberg downloadsfr2024
Plato's Doctrine Respecting the Rotation of the Earth and Aristotle's Comment Upon That Doctrine
Grote, George
301 Gutenberg downloadsen2012Difficulty 63 (Academic)
The Geologic Setting of the John Day Country: Grant County, Oregon
Thayer, Thomas P.
301 Gutenberg downloadsen2014Difficulty 54 (Graduate)
American grape training : $b An account of the leading forms now in use of training the American grapes
Bailey, L. H. (Liberty Hyde)
300 Gutenberg downloadsen2012Difficulty 46 (College)
Remarks Concerning Stones Said to Have Fallen from the Clouds, Both in These Days, and in Antient Times
King, Edward
299 Gutenberg downloadsen2009Difficulty 65 (Academic)
Account of the Skeleton of the Mammoth A non-descript carnivorous animal of immense size, found in America
Peale, Rembrandt
298 Gutenberg downloadsen2015Difficulty 66 (Academic)
Rodent Control Aided by Emergency Conservation Work
Young, Stanley Paul
298 Gutenberg downloadsen2019Difficulty 64 (Academic)
Memoria sobre a cultura da Urumbeba e sobre criação da Cochonilha
Thiéry de Menonville, Nicolas-Joseph & Berthollet, Claude-Louis & Velloso, José Mariano da Conceição
297 Gutenberg downloadspt2012
The Neptunian, or Water Theory of Creation
Woodman, J. M.
297 Gutenberg downloadsen2021Difficulty 53 (Graduate)
Darwinism. The Noachian Flood A lecture delivered before the Torquay Natural History Society, Jan. 31st, 1870
Stebbing, Thomas Roscoe Rede
295 Gutenberg downloadsen2021Difficulty 68 (Academic)
Meinauer Naturlehre
Unknown
295 Gutenberg downloadsde2009
Comparison of Methods of Sewage Purification
Phillips, Theodore Clifford & Schneider, Edward John
294 Gutenberg downloadsen2019Difficulty 57 (Graduate)
Economy of the Round Dairy Barn
Fraser, Wilber J. (Wilber John)
293 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Paper Shell Pecans
Keystone Pecan Company
293 Gutenberg downloadsen2020Difficulty 57 (Graduate)
Scientific American magazine, Vol. 2 Issue 1 The advocate of Industry and Journal of Scientific, Mechanical and Other Improvements
Various
293 Gutenberg downloadsen2009Difficulty 52 (Graduate)
The principles and objects of geology, with special reference to the geology of Egypt
Hume, W. F. (William Fraser)
292 Gutenberg downloadsen2024Difficulty 67 (Academic)
On the improved beet root, as winter food for cattle
Simpson, Pinder
291 Gutenberg downloadsen2024Difficulty 43 (College)
On the Red Chalk of England
Wiltshire, Thomas
291 Gutenberg downloadsen2013Difficulty 52 (Graduate)
Queensland, the Rich but Sparsely Peopled Country, a Paradise for Willing Workers
Queensland Government Intelligence and Tourist Bureau
291 Gutenberg downloadsen2018Difficulty 52 (Graduate)
Biscayne Bay, Dade Co., Florida, Between the 25th and 26th Degrees of Latitude. A complete manual of information concerning the climate, soil, products, etc., of the lands bordering on Biscayne Bay, in Florida.
Unknown
290 Gutenberg downloadsen2015Difficulty 49 (College)
Devils Tower National Monument, Wyoming (1949)
United States. National Park Service
290 Gutenberg downloadsen2019Difficulty 60 (Graduate)
Chambers's Journal of Popular Literature, Science, and Art, Fifth Series, No. 44, Vol. I, November 1, 1884
Various
289 Gutenberg downloadsen2021Difficulty 57 (Graduate)
Dairy Disagreeables Busy the Bacteriologists
Hall, Frank H. (Frank Henry) & Harding, Harry Alexis & Rogers, L. A. (Lore Alford) & Smith, George A.
289 Gutenberg downloadsen2022Difficulty 56 (Graduate)
Descripçaõ sobre a cultura do Canamo ou Canave
Duhamel du Monceau, M.
289 Gutenberg downloadspt2009
Geological Report on Asbestos and its Indications, in the Province of Quebec, Canada
Boyd, Lucius J.
289 Gutenberg downloadsen2010Difficulty 67 (Academic)
Meeresfische
Floericke, Kurt
289 Gutenberg downloadsde2018
The Geology of Darling State Park
Dodge, Harry W.
289 Gutenberg downloadsen2019Difficulty 54 (Graduate)
Vanilla culture as practiced in the Seychelles Islands
Galbraith, S. J.
289 Gutenberg downloadsen2025Difficulty 57 (Graduate)
Landesverein Sächsischer Heimatschutz — Mitteilungen Band XV, Heft 7–10 : $b Monatsschrift für Heimatschutz, Volkskunde und Denkmalpflege
Unknown
288 Gutenberg downloadsde2025
Polarforskningen
Nathorst, A. G. (Alfred Gabriel)
286 Gutenberg downloadssv2009
Riesen und Drachen der Vorzeit. Geschichte der Erde, Dritter Teil
Bommeli, R. (Rudolf)
286 Gutenberg downloadsde2020
Fossil Ice Crystals: An Instance of the Practical Value of "Pure Science"
Udden, Johan August
284 Gutenberg downloadsen2010Difficulty 55 (Graduate)
The Geology of D.A.R. State Park, Mt. Philo State Forest Park, Sand Bar State Park
Dodge, Harry W.
284 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Komet und Erde: Eine astronomische Erzählung
Flammarion, Camille
283 Gutenberg downloadsde2019
Remarks on the management, or rather, the mis-management of woods, plantations, and hedge-row timber
West, J.
283 Gutenberg downloadsen2023Difficulty 69 (Academic)
The Geology of Groton State Forest
Christman, Robert A. (Robert Adam)
283 Gutenberg downloadsen2019Difficulty 57 (Graduate)
A treatise on grain stacking : $b Instructions how to properly stack all kinds of grain, so as to preserve in the best possible manner for threshing and market.
De Lamater, John N.
282 Gutenberg downloadsen2010Difficulty 51 (Graduate)
Een Jaar aan Kaap Hoorn De Aarde en haar Volken, 1886
Hyades, Paul
282 Gutenberg downloadsnl2005
Eiszeit und Klimawechsel
Bölsche, Wilhelm
281 Gutenberg downloadsde2019
Guide to the Norris Geyser Basin
Algard, George A.
281 Gutenberg downloadsen2021Difficulty 56 (Graduate)
The Ohio Naturalist, Vol. I, No. 7, May, 1901
Ohio State University. Biological Club
280 Gutenberg downloadsen2023Difficulty 51 (Graduate)
Wintering Bees in Cellars
Phillips, Everett Franklin & Demuth, Geo. S. (George S.)
279 Gutenberg downloadsen2019Difficulty 52 (Graduate)
Istruzioni popolari per la buona tenuta dei bachi da seta
Poggi, Tito
277 Gutenberg downloadsit2017
Le piante utili dell' Eritrea
Schweinfurth, Georg August
274 Gutenberg downloadsit2025
The Aviator and the Weather Bureau
Carpenter, Ford A. (Ford Ashman)
274 Gutenberg downloadsen2018Difficulty 56 (Graduate)
Memoria sobre as diversas salgas da sardinha com o methodo de aproveitar as enxovas, e sobre a salga dos peixes grossos, como atum, corvinas, pescadas, gorazes, ruivos, e outros semelhantes etc
França, Clemente Ferreira
273 Gutenberg downloadspt2011
De koraal-eilanden: fragment uit het dagboek van een natuuronderzoeker De Aarde en haar Volken, 1875
Darwin, Charles
272 Gutenberg downloadsnl2015
Komet und Weltuntergang
Bölsche, Wilhelm
272 Gutenberg downloadsde2020
Water pollution—Wells
Watson, Irving A. (Irving Allison)
272 Gutenberg downloadsen2020Difficulty 53 (Graduate)
Carrots, mangold wurtzels and sugar beets : $b How to raise them, how to keep them and how to feed them
Gregory, James J. H. (James John Howard)
271 Gutenberg downloadsen2025Difficulty 54 (Graduate)
Natural Bridges National Monument (1954)
United States. National Park Service
270 Gutenberg downloadsen2019Difficulty 56 (Graduate)
The Market Reporter, Vol. 4, No. 15
Various
270 Gutenberg downloadsen2018Difficulty 49 (College)
Dell'antico stato del lago di Pusiano nell'alto Milanese
Redaelli, Carlo
269 Gutenberg downloadsit2018
Memória sobre a plantação dos algodões e sua exportação sobre a decadencia da lavoura de mandiocas, no termo da villa de Camamú, Comarca dos Ilhéos, Governo da Bahia
Bettencourt, José de Sá
269 Gutenberg downloadspt2010
Weale's Series of Scientific and Technical Works
Crosby Lockwood and Son
269 Gutenberg downloadsen2020Difficulty 55 (Graduate)
Comparison of Woods for Butter Boxes
Turnbow, Grover Dean
267 Gutenberg downloadsen2022Difficulty 53 (Graduate)
Ascendo al Monto-Blanka en 1787
Saussure, Horace Bénédict de
266 Gutenberg downloadseo2020
The Kansas University science bulletin, Vol. I, No. 7, September 1902
Unknown
264 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Memoria sobre o melhoramento da cultura da Beira e da navegação do Mondego
Almeida, António de
263 Gutenberg downloadspt2012
How old are fossils?
Roy, Sharat Kumar
259 Gutenberg downloadsen2023Difficulty 57 (Graduate)
Het Eiland Urk: Zijn Bodem, voortbrengselen en bewoners
Harting, Pieter
254 Gutenberg downloadsnl2013
Naturstudien im Hause : $b Plaudereien in der Dämmerstunde; ein Buch für die Jugend
Kraepelin, Karl
253 Gutenberg downloadsde2023
Florulae Insularum Australium Prodromus
Forster, Georg
251 Gutenberg downloadsla2011
The Kansas University science bulletin, Vol. I, No. 6, September 1902
Unknown
250 Gutenberg downloadsen2023Difficulty 51 (Graduate)
Het eerste ontwerp voor de bedijking der Zuiderzee, 1848
Kloppenburg, Jakob & Faddegon, Pieter
246 Gutenberg downloadsnl2013
Importanza e risultati degli incrociamenti in avicoltura
Pascal, Teodoro
245 Gutenberg downloadsit2018
Noções botanicas das especies de Nicociana mais usadas nas fabricas de tabaco, e da sua cultura
Unknown
244 Gutenberg downloadspt2012
Yleinen Maatiede : $b Luonnollinen Maatide ynnä Venäjän valtakunta, Euroopassa olevine alusmaineen, valtiollisesti
Corander, Klas
242 Gutenberg downloadsfi2025
Memoria hydrografica das ilhas de Cabo Verde para servir de instrucção a carta das mesmas ilhas, publicada em o anno de 1790
Cabral, F. A. (Francisco Antonio)
241 Gutenberg downloadspt2011
A revised and illustrated treatise on grain stacking
De Lamater, John N.
239 Gutenberg downloadsen2011Difficulty 52 (Graduate)
Els aucells més útils a la agricultura de Catalunya
Tarré, Emili
239 Gutenberg downloadsca2024
Über die Vulkane im Monde
Kant, Immanuel
228 Gutenberg downloadsde2012
Ontwerp van wet tot afsluiting en droogmaking van de Zuiderzee met toelichtende memorie
Lely, Cornelis
225 Gutenberg downloadsnl2011
Talon-Pojan Sää- eli Ilma-Kirja
Anonymous
225 Gutenberg downloadsfi2024
Maahengen uskossa
Eerola, Eero
216 Gutenberg downloadsfi2022

Color Images from Mars Rovers Spirit and Opportunity

Studies of American Fungi. Mushrooms, Edible, Poisonous, etc.

Manures and the principles of manuring

The Economic Aspect of Geology

The Variation of Animals and Plants Under Domestication, Vol. I.

Wealth of the World's Waste Places and Oceania

A Study of Recent Earthquakes

Elements of Agricultural Chemistry

Mysteries of Bee-keeping Explained

The Toilers of the Field

Health on the Farm: A Manual of Rural Sanitation and Hygiene

The Book of the National Parks

Cattle and Their Diseases Embracing Their History and Breeds, Crossing and Breeding, and Feeding and Management; with the Diseases to Which They Are Subject, and the Remedies Best Adapted to Their Cure

El Mar

The Book of the Damned

Chapters in Rural Progress

The Stock-Feeder's Manual the chemistry of food in relation to the breeding and feeding of live stock

Northern Nut Growers Association Report of the Proceedings at the 44th Annual Meeting Rochester, N.Y. August 31 and September 1, 1953

The Cauliflower

Northern Nut Growers Association Incorporated 39th Annual Report at Norris, Tenn. September 13-15 1948

Outlines of Dairy Bacteriology, 8th edition A Concise Manual for the Use of Students in Dairying

Species Plantarum, Sections IV-V

Northern Nut Growers Association Report of the Proceedings at the 43rd Annual Meeting Rockport, Indiana, August 25, 26 and 27, 1952

Village Improvements and Farm Villages

Crops and Methods for Soil Improvement

Northern Nut Growers Association Report of the Proceedings at the Thirty-Seventh Annual Report Wooster, Ohio, September 3, 4, 5, 1946

Farm drainage The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches, and Especially with Tiles

Die Philippinen und ihre Bewohner Sechs Skizzen

Northern Nut Growers Association Report of the Proceedings at the Fifteenth Annual Meeting New York City, September 3, 4 and 5, 1924

Peat and its Uses as Fertilizer and Fuel

Agricultural Implements and Machines in the Collection of the National Museum of History and Technology Smithsonian Studies in History and Technology, No. 17

The Voyage of the Beagle

De Re Metallica, Translated from the First Latin Edition of 1556

Northern Nut Growers Association, Report of the Proceedings at the Seventh Annual Meeting Washington, D. C. September 8 and 9, 1916.

Diggers in the Earth

Right Use of Lime in Soil Improvement

The English Husbandman The First Part: Contayning the Knowledge of the true Nature of euery Soyle within this Kingdome: how to Plow it; and the manner of the Plough, and other Instruments

The Natural History of Pliny, Volume 2 (of 6)

The Apple-Tree The Open Country Books—No. 1

The art of promoting the growth of the cucumber and melon in a series of directions for the best means to be adopted in bringing them to a complete state of perfection

Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 Water Purification Plant, Washington, D. C. Results of Operation.

Memoria sobre a cultura, e productos da cana de assucar

Evolution and Classification of the Pocket Gophers of the Subfamily Geomyinae

The Cultivation of The Native Grape, and Manufacture of American Wines

Northern Nut Growers Association Report of the Proceedings at the Twenty-Fifth Annual Meeting Battle Creek, Michigan, September 10 and 11, 1934

Rollo's Philosophy. [Air]

Northern Nut Growers Association Thirty-Fourth Annual Report 1943

How to Use the Popular Science Library; History of Science; General Index

The Natural History of Pliny, Volume 4 (of 6)

Micrographia Some Physiological Descriptions of Minute Bodies Made by Magnifying Glasses with Observations and Inquiries Thereupon

Fruits of Queensland

Vestiges of the Natural History of Creation

Cave Hunting Researches on the evidence of caves respecting the early inhabitants of Europe

Handbook of Birmingham Prepared for the Members of the British Association, 1886

Roman Farm Management: The Treatises of Cato and Varro

Northern Nut Growers Association Report of the Proceedings at the Thirty-Eighth Annual Meeting Guelph, Ontario, September 3, 4, 5, 1947

Field book of common rocks and minerals : $b for identifying the rocks and minerals of the United States and interpreting their origins and meanings

The Home of the Blizzard Being the Story of the Australasian Antarctic Expedition, 1911-1914

Cosmos: A Sketch of the Physical Description of the Universe, Vol. 1

Texas Fossils: An Amateur Collector's Handbook

The World of Flying Saucers: A Scientific Examination of a Major Myth of the Space Age

The sidereal messenger of Galileo Galilei : $b and a part of the preface to Kepler's Dioptrics containing the original account of Galileo's astronomical discoveries

The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told

Views of nature: or Contemplations on the sublime phenomena of creation with scientific illustrations

One Hundred Proofs That the Earth Is Not a Globe

A Short History of English Agriculture

The Common Rocks and Minerals of Missouri

Journal of Researches into the Natural History and Geology of the Countries Visited During the Voyage Round the World of H.M.S. Beagle Under the Command of Captain Fitz Roy, R.N.

Sylva; Or, A Discourse of Forest Trees. Vol. 1 (of 2)

The autobiography of Arthur Young : $b with selections from his correspondence

Popular Scientific Recreations in Natural Philosphy, Astronomy, Geology, Chemistry, etc., etc., etc.

The Andes and the Amazon; Or, Across the Continent of South America

Origin of Cultivated Plants The International Scientific Series Volume XLVIII

The Mechanical Properties of Wood Including a Discussion of the Factors Affecting the Mechanical Properties, and Methods of Timber Testing

Man and Nature; Or, Physical Geography as Modified by Human Action

Encyclopaedia Britannica, 11th Edition, "Magnetite" to "Malt" Volume 17, Slice 4

Texas Rocks and Minerals: An Amateur's Guide

Volcanoes: Past and Present

Tobacco; Its History, Varieties, Culture, Manufacture and Commerce

A Text-Book of Astronomy