Public Worship: A Study of the Psychology of Religion. By John P. Hylan. 30c.

The Meditations and Selections from the Principles of Rene Descartes. Tr. by John Veitch. 40c.

Leibniz's Discourse on Metaphysics. Tr. by Geo. R. Montgomery. 60c.

Kant's Prolegomena. Edited in English by Paul Carus. 60c.

St. Anselm: Proslogium, Monologium, an Appendix in Behalf of the Fool by Gaunilon; and Cur Deus Homo. Tr. by Sidney Norton Deane. 60c.

The Metaphysical System of Hobbes. By Mary Whiton Calkins. 50c.

Locke's Essay Concerning Human Understanding. Books II and IV (with omissions). By Mary Whiton Calkins. 60c.

The Principles of Descartes' Philosophy. By Benedictus De Spinoza. Paper, 40c.

The Vocation of Man. By Johann Gottlieb Fichte. Paper, 30c.

Aristotle on His Predecessors. Tr. by A. E. Taylor. 40c.