DESCARTES, René. Les Passions de l'Ame, Paris: Henry Le Gras, 1649, small 8°, FIRST EDITION, Paris imprint state (library marks, inner margin of title and first few leaves dampstained), contemporary full vellum, ruled in gilt, central gilt armorial to covers (front inner hinge cracked, but cords firmly holding, head of spine chipped, some damage to upper front cover), E. du Bois-Reymond's copy, ex University of Chicago Library Rare Science Duplicate Collection. [Guibert, p. 150; Norman 626]