Dialogues Concerning Natural Religion (Hackett Classics)

A Dialogue on Personal Identity and Immortality (Hackett Philosophical Dialogues)

Meditations on First Philosophy (Hackett Classics)

A Treatise Concerning the Principles of Human Knowledge (Hackett Classics)

An Enquiry Concerning Human Understanding: with Hume's Abstract of A Treatise of Human Nature and A Letter from a Gentleman to His Friend in Edinburgh (Hackett Classics)

Discourse on Method and Meditations on First Philosophy, 4th Ed.

Ethics: with The Treatise on the Emendation of the Intellect and Selected Letters (Hackett Classics)

On the Genealogy of Morality

Plato: Five Dialogues: Euthyphro, Apology, Crito, Meno, Phaedo (Hackett Classics)

Three Dialogues Between Hylas and Philonous (Hackett Classics)

Meditations, Objections, and Replies (Hackett Classics)