Evolution

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

Darwin's On the Origin of Species

The Gospel of Evolution

The case against evolution

Mr. Gladstone and Genesis

The Factors of Organic Evolution

History of biology