Books in Category: Science - Biology (sorted by popularity)
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Clever Hans (The Horse of Mr. Von Osten)
Oskar Pfungst
450 downloads
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History of Botany (1530-1860)
Julius Sachs
450 downloads
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Syndrome
Thomas Hoover
450 downloads
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The Variation of Animals and Plants Under Domestication, Vol. I.
Charles Darwin
450 downloads
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Autobiography and Selected Essays
Thomas Henry Huxley
445 downloads
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Summer Birds From the Yucatan Peninsula, Mexico
Erwin E. Klaas
443 downloads
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An Introduction to Entomology: Vol. 1
William Kirby and William Spence
435 downloads
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Everyday Objects; Or, Picturesque Aspects of Natural History.
W. H. Davenport Adams
434 downloads
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Biographies of distinguished scientific men. First series
F. Arago
433 downloads
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Nature readers : Sea-side and way-side. No. 4
Julia McNair Wright
431 downloads
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The Variation of Animals and Plants under Domestication
Charles Darwin
431 downloads
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Every Girl's Book
George Frank Butler
430 downloads
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The Genetic Effects of Radiation
Isaac Asimov and Theodosius Dobzhansky
425 downloads
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The Glow-Worm and Other Beetles
Jean-Henri Fabre
425 downloads
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Parasites: A Treatise on the Entozoa of Man and Animals
T. Spencer Cobbold
421 downloads
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Index of the Project Gutenberg Works of Charles Darwin
Charles Darwin
420 downloads
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Appletons' Popular Science Monthly, March 1899
Various
414 downloads
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The Birds of Washington (Volume 1 of 2)
William Leon Dawson and John Hooper Bowles
413 downloads
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Sex-linked Inheritance in Drosophila
Thomas Hunt Morgan and Calvin B. Bridges
413 downloads
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The Science of Fingerprints: Classification and Uses
United States. Federal Bureau of Investigation
412 downloads
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The Life of the Fly; With Which are Interspersed Some Chapters of Autobiography
Jean-Henri Fabre
412 downloads
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Mutual Aid: A Factor of Evolution
kniaz Petr Alekseevich Kropotkin
410 downloads
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Langstroth on the Hive and the Honey-Bee: A Bee Keeper's Manual
L. L. Langstroth
409 downloads
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Himalayan Journals — Complete
Joseph Dalton Hooker
407 downloads
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Dactylography; Or, The Study of Finger-prints
Henry Faulds
407 downloads