Macmillan, New York, 1951, 40^th pr.  ISBN 0-02-367170-X.  Trade soft cover, 85 pages.  Very good; wraps have small corner bends; bit of soil and foxing on top edge; interior clean and unmarked.  Translated with an Introduction by Laurence J. Lafleur.  Part of the Library of Liberal Arts series.  ‘In Which the Existence of God and the Distinction between the Human Soul and the Body are Demonstrated’