Keeling, S. V. 1894-1979., Descartes S. V. Keeling. - second edition. - London, New York [et cetera] Oxford U.P., (c)1968. - xviii, 325 pages 21 cm. LCCN: 68121728 //r91 Nat. Bib. No.: B68-16742 Subjects--Topical Terms: Philosophy-Ancient LC Class. No.: B1875 / .D473 1968