Evolution

Last Words on Evolution: A Popular Retrospect and Summary

Man's Place in the Universe A Study of the Results of Scientific Research in Relation to the Unity or Plurality of Worlds, 3rd Edition

At the Deathbed of Darwinism: A Series of Papers

On the Tendency of Species to Form Varieties

Evolution: An Investigation and a Critique

Pleistocene Pocket Gophers From San Josecito Cave, Nuevo Leon, Mexico

Biology

The Social Direction of Evolution: An Outline of the Science of Eugenics

Essays on Darwinism

Evolution and Adaptation

Darwinism stated by Darwin himself

Faith and Fossils

The Conditions of Existence as Affecting the Perpetuation of Living Beings

Immortality Unveiled

Peripheral Visions

Disputed Inheritance

Lectures on Evolution

First Steps

Evolution: Its nature, its evidence, and its relation to religious thought

Darwin's On the Origin of Species