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Biology - Aristotle, Organisms, Cells | Britannica
Aristotle's biology - Wikipedia
Aristotle’s Biology - Stanford Encyclopedia of Philosophy
Aristotle: Biology | Internet Encyclopedia of Philosophy
Aristotle - University of California Museum of Paleontology
The Internet Classics Archive | The History of Animals by Aristotle
The Internet Classics Archive | The History of Animals by Aristotle
Aristotle's Classification of Animals: Biology and the Conceptual …
Aristotle's classification of animals : biology and the conceptual ...
Introduction - The Cambridge Companion to Aristotle's Biology