=The Nature of the State.= By Paul Carus. 20c. =On Double Consciousness.= By Alfred Binet. 25c. =Fundamental Problems.= By Paul Carus. 60c. =Diseases of the Will.= By Th. Ribot. 30c. =On the Origin of Language, The Logos Theory.= By Ludwig Noiré. 20c. =The Free Trade Struggle in England.= By M. M. Trumbull. 30c. =The Gospel of Buddha.= By Paul Carus. 40c. =Primer of Philosophy.= By Paul Carus. 30c. =On Memory, and The Specific Energies of the Nervous System.= By Ewald Hering. 20c. =An Examination of Weismannism.= By George J. Romanes. 40c. =On Germinal Selection as a Source of Definite Variation.= By August Weismann. 30c. =Popular Scientific Lectures.= By Ernst Mach. 60c. =Ancient India; Its Language and Religions.= By H. Oldenberg. 30c. =The Prophets of Israel.= By C. H. Cornill. 30c. =Thoughts on Religion.= By G. J. Romanes. 60c. =Philosophy of Ancient India.= By Richard Garbe. 30c. =Martin Luther.= By Gustav Freytag. 30c. =Rationalism.= By George Jacob Holyoake. 30c. =Chinese Philosophy.= By Paul Carus. 30c. =A Mechanico-Physiological Theory of Organic Evolution.= By Carl von Nageli. Summary. 30c. =Mathematical Essays and Recreations.= By Herman Schubert. 30c. =Truth on Trial.= By Paul Carus. 60c. =The Pieroma; An Essay on the Sources of Christianity.= By Paul Carus. 60c. =The Ethical Problem.= By Paul Carus. 60c. THE RELIGION OF SCIENCE LIBRARY Buddhism and Its Christian Critics. By Paul Carus. 60c. Discourse on the Method of Rightly Conducting the Reason and Seeking Truth in the Sciences. By René Descartes. 30c. Kant and Spencer. By Paul Carus. 25c. The Soul of Man. By Paul Carus. 85c. Whence and Whither. By Paul Carus. 35c. Enquiry Concerning the Human Understanding and Selections from a Treatise of Human Nature. By David Hume. Paper, 40c. An Enquiry Concerning the Principles of Morals. By David Hume. 30c. The Psychology of Reasoning. By Alfred Binet. 30c. A Treatise Concerning the Principles of Human Knowledge. By George Berkeley. 30c. Three Dialogues Between Hylas and Philonous. By George Berkeley. 30c. 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.