Principes de la Philosophie Morale; ou, Essai de M. S. sur le Mérite et la Vertu.
Amsterdam [i.e. Paris]: Chez Zacharie Chatelain, 1745. First edition. Tchemerzine, Bibliographie d'Editions Originales ou Rares d'Auteurs Francais II, 916; and see P.N. Furman, Diderot, A Critical Biography. ¶ The first book by the great French philosopher, writer, and polymath Denis Diderot (1713-1784), a translation of An Inquiry Concerning Virtue (1699).....