Books in Category: Science - Biology
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On the Origin of Species By Means of Natural Selection
Charles Darwin
21557 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
15896 downloads
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The Notebooks of Leonardo Da Vinci — Complete
da Vinci Leonardo
15179 downloads
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The Natural History of Pliny, Volume 5 (of 6)
the Elder Pliny
13673 downloads
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Life and Letters of Charles Darwin — Volume 1
Charles Darwin
11257 downloads
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The Natural History of Pliny, Volume 3 (of 6)
the Elder Pliny
10349 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
9786 downloads
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More Letters of Charles Darwin — Volume 1
Charles Darwin
8433 downloads
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Fossil plants, Vol. 2 : A text-book for students of botany and geology
A. C. Seward
7211 downloads
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An Introduction to Entomology: Vol. 3
William Kirby and William Spence
7209 downloads
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The Origin of Species by Means of Natural Selection
Charles Darwin
6717 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...
6181 downloads
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Grundzüge der Paläontologie (Paläozoologie). 1. Abteilung: Invertebrata. (German)
Karl Alfred von Zittel
5453 downloads
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Origin of Cultivated Plants
Alphonse de Candolle
5148 downloads
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The Manual of the Botany of the Northern United States
Asa Gray
4941 downloads
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The Descent of Man, and Selection in Relation to Sex
Charles Darwin
4752 downloads
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Lehrbuch der Botanik für Hochschulen (German)
A. F. W. Schimper, Eduard Strasburger, Fritz Noll, and H. Schenck
4685 downloads
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The Voyage of the Beagle
Charles Darwin
4630 downloads
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Letters of Asa Gray; Vol. 2
Asa Gray
4589 downloads
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Flora von Deutschland
(German)
O. Schmeil and Jost Fitschen
4585 downloads
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Vegetable Teratology
Maxwell T. Masters
4445 downloads
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Pharmacographia
Friedrich A. Flückiger and Daniel Hanbury
4340 downloads
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On Growth and Form
D'Arcy Wentworth Thompson
3988 downloads
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An Introduction to Entomology: Vol. 4
William Kirby and William Spence
3809 downloads
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The Variation of Animals and Plants under Domestication
Charles Darwin
3702 downloads
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Displaying results 1–25 | Next