Metaphysics

The Neptunian, or Water Theory of Creation

The course of creation

Ethics

The World as Will and Idea

God-Man

The Distinction between Mind and Its Objects

Philosophy in the Last Forty Years

A Theory of Creation

A Candid Examination of Theism

Evolution of Life and Form

The Philosophy of Evolution

An Enquiry Concerning Human Understanding

The Meaning of Evolution

Reincarnation: A Study in Human Evolution

History of Modern Philosophy

Facts of Consciousness

Lectures on the Proofs of the Existence of God

The Three Critiques

Hints towards the formation of a more comprehensive theory of life

Time and Free Will