French and English philosophers: Descartes, Rousseau, Voltaire, Hobbes : with introductions, notes and illustrations / Descartes, René, 1596-1650. Voltaire, 1694-1778. Rousseau, Jean-Jacques, 1712-1778. Hobbes, Thomas, 1588-1679. Philosophy. 190 DEF New York : P.F. Collier & son, 1910. 1910. 1910 Text 1 p.l., 434 p. : http://hdl.loc.gov/loc.gdc/scd0001.00071927805 eng Harvard classics, ed. by C.W. Eliot. [vol. XXXIV] Also available in digital form on the Internet Archive Web site. Also available in digital form on the Internet Archive Web site.