Books in Category: Science - Biology (sorted by popularity)
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Forest Trees of Texas: How to Know Them
Wilbur R. Mattoon and C. B. Webster
546 downloads
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The Principles of Breeding
S. L. Goodale
543 downloads
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American Pomology. Apples
J. A. Warder
542 downloads
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The Biotic Associations of Cockroaches
Louis M. Roth and Edwin R. Willis
541 downloads
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More Letters of Charles Darwin — Volume 1
Charles Darwin
540 downloads
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Langstroth on the Hive and the Honey-Bee: A Bee Keeper's Manual
L. L. Langstroth
533 downloads
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Drawings and Pharmacy in Al-Zahrawi's 10th-Century Surgical Treatise
Sami Khalaf Hamarneh
532 downloads
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Structure and Functions of the Body
Annette Fiske
532 downloads
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Letters of Asa Gray; Vol. 2
Asa Gray
531 downloads
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British Museum (Natural History) General Guide
British Museum
529 downloads
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The Life of the Fly; With Which are Interspersed Some Chapters of Autobiography
Jean-Henri Fabre
528 downloads
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The Anatomy of the Human Peritoneum and Abdominal Cavity
George S. Huntington
526 downloads
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Life histories of North American shore birds, Part 1 (of 2)
Arthur Cleveland Bent
525 downloads
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Herbals, Their Origin and Evolution: A Chapter in the History of Botany 1470-1670
Agnes Robertson Arber
525 downloads
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Lamarck, the Founder of Evolution: His Life and Work
A. S. Packard
524 downloads
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On the Origin of Species by Means of Natural Selection
Charles Darwin
521 downloads
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The History of Creation, Vol. 1 (of 2)
Ernst Haeckel
518 downloads
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A text-book of veterinary anatomy
Septimus Sisson
515 downloads
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Scientific American Supplement, No. 388, June 9, 1883
Various
513 downloads
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Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1
Alexander von Humboldt and Aimé Bonpland
512 downloads
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The Domestic Cat
Gordon Stables
512 downloads
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The life of Jean Henri Fabre, the entomologist, 1823-1910
Augustin Fabre
511 downloads
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Clever Hans (The Horse of Mr. Von Osten)
Oskar Pfungst
511 downloads
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Index of the Project Gutenberg Works of Charles Darwin
Charles Darwin
510 downloads
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Philosophical Transactions of the Royal Society - Vol 1 - 1666
Various
509 downloads
