Plato: Symposium, translated by B. Jowett. Phaedo, translated by B. Jowett. Sophist, translated by B. Jowett.--Aristotle: De anima, translated by R. D. Hicks. Metaphysics (selections) translated by H. Tredennick. Nichomachean ethics (selections) translated by H. Rackham.--R. Descartes: Meditations, translated by E. S. Haldane and G. R. T. Ross.--G. Berkeley: Three dialogues between Hylas and Philonus.--D. Hume: Dialogues concerning natural religion.--I. Kant: Prolegomena to every future, translated by C. J. Friedrich. Metaphysical foundations of morals, translated by C. J. Friedrich.