General

The Critique of Pure Reason:

Clear Thinking:

The Essence of Christianity:

Beyond Good and Evil:

God and the Burden of Proof: Plantinga, Swinburne, and the Analytic Defense of Theism

Dialogues Concerning Natural Religion:

An Enquiry Concerning Human Understanding:

Principia Ethica:

The Problems of Philosophy:

The Euthyphro, Apology, Crito, and Phaedo:

Philosophical Explorations:

The Economic and Philosophic Manuscripts of 1844 and the Communist Manifesto: