Philosophy and religion
A Treatise of Human Nature: Being an Attempt to Introduce the Experimental Method of Reasoning into Moral Subjects (1739–40); An Abstract of a Book Lately Published: Entitled, A Treatise of Human Nature, etc., Wherein the Chief Argument of That Book Is Farther Illustrated and Explained (1740); Philosophical Essays Concerning Human Understanding (1748; many later editions entitled An Enquiry Concerning Human Understanding); Four Dissertations (1757); Dialogues Concerning Natural Religion (1779); A Letter from a Gentleman to His Friend Containing Some Observations on Religion and Morality (1745).