Darwinism (1889) An exposition of the theory of natural selection, with some of its applications

Über die Entstehung der Arten im Thier- und Pflanzen-Reich durch natürliche Züchtung

Address delivered before the British Association assembled at Belfast

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American Addresses, with a Lecture on the Study of Biology

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Initiative in Evolution

Darwinism and Race Progress

The Gospel of Evolution From "The Atheistic Platform", Twelve Lectures

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