Epistemology

Organon – Posterior Analytics

Posterior Analytics

Kant's Prolegomena to Any Future Metaphysics

Essays in Radical Empiricism

The Philosophy and Theology of Averroes

The Observations of Professor Maturin

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

Kant's Prolegomena to Any Future Metaphysics

The Ethics of Belief

Phaedo

The Critique of Pure Reason

Rules for the Direction of the Mind

Facts of Consciousness

Proslogion

Parmenides

Pragmatism – A New Name for Some Old Ways of Thinking by William James

Life and Matter: A Criticism of Professor Haeckel's “Riddle of the Universe”

The Plurality of Worlds

An Enquiry Concerning Human Understanding

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