Epistemology

Fichte's Science of Knowledge

Sophist

Modern Skepticism: A Journey Through the Land of Doubt and Back Again

The Unreality of Time

Aphorisms and Reflections from the works of T. H. Huxley

Avenarius and the Standpoint of Pure Experience

The Basis of Morality

Our Intellectual Strength and Weakness A Short Historical and Critical Review of Literature, Art and Education in Canada

The Philosophy and Theology of Averroes

An Inquiry into the Human Mind: On the Principles of Common Sense

Phaedo

The Ethics of Belief

The Critique of Pure Reason

Rules for the Direction of the Mind

Kant's Prolegomena to Any Future Metaphysics

Facts of Consciousness

Posterior Analytics

The philosophy of life, and philosophy of language, in a course of lectures

Mind Games

God or Nature, Whatever