Metaphysics

The Atomic Theory of Lucretius

On Sense and the Sensible

What's These Worlds Coming To

Ethics

A Novel Without a Name

Lectures on the Proofs of the Existence of God

Facts of Consciousness

Fundamental Philosophy

Theophrastus and the Greek Physiological Psychology before Aristotle — On Sense Perception

The Distinction between Mind and Its Objects

The Origin of Christian Science

Lawless Universe

Why do we die

World and Life as One

An Original Theory or New Hypothesis of the Universe

The Vailan or Annular theory

Meditations on First Philosophy

An Essay Towards a New Theory of Vision

Problems of Immanence: studies critical and constructive

The course of creation