Aristotle's History of Animals
Aristotle
Original only
Science
ScienceAttempts to understand nature and ourselves
10 works
Journal of Researches (Voyage of the Beagle, alternate edition)
Charles Darwin
Original only
Naturaleza de las cosas (De rerum natura, Spanish)
Lucretius
Original only
On the Origin of Species
Charles Darwin
Original only
On the Origin of Species (2nd Edition)
Charles Darwin
Original only
On the Origin of Species, Sixth Edition
Charles Darwin
Original only
Philosophiae Naturalis Principia Mathematica
Isaac Newton
Original only
The Advancement of Learning
Francis Bacon
Original only
The Call of the Wild
London, Jack
TranslatedBilingual
The Voyage of the Beagle
Charles Darwin
Original only