Six Metaphysical Meditations (Unabridged): optional

Selections from the Principles of Philosophy

Meditations on First Philosophy and Discourse on the Method

Descartes’ Meditations on First Philosophy

Discourse on Method

A Discourse on Method, Meditations on the First Philosophy, and Principles of Philosophy

Discourse on Method and the Meditations

Discourse on the Method of Rightly Conducting One's Reason and of Seeking Truth in the Sciences