Books in Category: Science - Biology
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On the Origin of Species By Means of Natural Selection
Charles Darwin
23556 downloads
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Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, Second Part: Subclass Osculosa; Index
Ernst Haeckel
14610 downloads
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The Notebooks of Leonardo Da Vinci — Complete
da Vinci Leonardo
13725 downloads
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Report on the Radiolaria Collected by H.M.S. Challenger During the Years 1873-1876, First Part: Porulosa (Spumellaria and Acantharia)
Ernst Haeckel
8717 downloads
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The Natural History of Pliny, Volume 3 (of 6)
the Elder Pliny
8291 downloads
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Life and Letters of Charles Darwin — Volume 1
Charles Darwin
7937 downloads
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The Origin of Species by Means of Natural Selection
Charles Darwin
7762 downloads
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The Natural History of Pliny, Volume 5 (of 6)
the Elder Pliny
6787 downloads
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An Introduction to Entomology: Vol. 3
William Kirby and William Spence
6233 downloads
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The book of wonders : gives plain and simple answers to the thousands of everyday questions that are asked and which all should be able to, but cannot answer...
6189 downloads
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The Descent of Man, and Selection in Relation to Sex
Charles Darwin
6082 downloads
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More Letters of Charles Darwin — Volume 1
Charles Darwin
5858 downloads
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The Voyage of the Beagle
Charles Darwin
5446 downloads
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Grundzüge der Paläontologie (Paläozoologie). 1. Abteilung: Invertebrata. (German)
Karl Alfred von Zittel
5439 downloads
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Fossil plants, Vol. 2 : A text-book for students of botany and geology
A. C. Seward
5151 downloads
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The Manual of the Botany of the Northern United States
Asa Gray
5126 downloads
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Lehrbuch der Botanik für Hochschulen (German)
A. F. W. Schimper, Eduard Strasburger, Fritz Noll, and H. Schenck
4894 downloads
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Vegetable Teratology
Maxwell T. Masters
4620 downloads
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Origin of Cultivated Plants
Alphonse de Candolle
4337 downloads
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Darwin, and After Darwin, Volumes 1 and 3
George John Romanes
3986 downloads
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The Expression of the Emotions in Man and Animals
Charles Darwin
3978 downloads
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The Autobiography of Charles Darwin
Charles Darwin
3681 downloads
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On Growth and Form
D'Arcy Wentworth Thompson
3294 downloads
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Mysteries of Bee-keeping Explained
M. Quinby
3191 downloads
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The Medicinal Plants of the Philippines
T. H. Pardo de Tavera
3165 downloads
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Displaying results 1–25 | Next