Title: Les oeuvres morales de Mr. Diderot : contenant son traité De l'amitié, et celui Des passions
Date: 1770
Artist:  Marie Geneviève Charlotte Darlus Thiroux d'Arconville 
Artist bio: French, 1720–1805
Artist nationality: French
Artist role: Author
Dimensions: 2 volumes bound in 1; Height: 6 11/16 in. (17 cm)
Credit line: Gift of Jayne Wrightsman, 2008
Department: The Libraries
Repository: Metropolitan Museum of Art, New York, NY