Philosophy & Social Aspects

Triumphs of Invention and Discovery in Art and Science

A Theory of the Mechanism of Survival: The Fourth Dimension and Its Applications

Mr. Gladstone and Genesis

Crania Ægyptiaca

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

Conversations on the Plurality of Worlds

A Defence of the Inquiry into Mesmerism & Phrenology chiefly in relation to recent events in Lynn

Experiments on Animals

The Gospel of Evolution

At the Deathbed of Darwinism: A Series of Papers

The New Physics and Its Evolution

Evolution: An Investigation and a Critique

Death and resurrection from the point of view of the cell-theory

Science and Medieval Thought The Harveian Oration Delivered Before the Royal College of Physicians, October 18, 1900

Phrenology Examined

The Riddle of the Universe at the close of the nineteenth century

Lectures and Essays

The logic of modern physics

Novum organon renovatum

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