A Mechanico-Physiological Theory of Organic Evolution

Address delivered before the British Association assembled at Belfast

Het Yellowstone-Park

Essays on Darwinism

American Addresses, with a Lecture on the Study of Biology

Q. E. D., or New Light on the Doctrine of Creation

Initiative in Evolution

Darwinism and Race Progress

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

The Philosophy of Evolution Together With a Preliminary Essay on The Metaphysical Basis of Science

The Meaning of Evolution

The Interpreters of Genesis and the Interpreters of Nature Essay #4 from "Science and Hebrew Tradition"