Meditations on first philosophy / Rene Descartes ; translated, with an introduction, by Laurence J. Lafleur. Meditationes de prima philosophia. English Descartes, René, 1596-1650. Lafleur, Laurence J. (Laurence Julien), 1907-1966. First philosophy. God Proof, Ontological. Methodology. Knowledge, Theory of. 194 DEM Includes bibliographical references (p. xvii-xviii). Indianapolis : Bobbs-Merrill, 1960. 1960. 1960 Text xviii, 85 p. ; eng Library of liberal arts ; 29 Library of liberal arts ; 29.