LEVRET (André). L'art des accouchemens, démontré par des principes de physique et de méchanique. To serve as a basic introduction to private lessons. Paris, P. Alex. Le Prieur, 1761. In-8, second edition corrected and considerably enlarged, illustrated with a portrait of the author engraved by Louis Le Grand after Chardin and 5 folding plates engraved by Scotin l'aîné. Bound in contemporary full marbled calf, spine with 5 raised bands. Handwritten bookplate on title page "Alexandre Viennois". (binding rubbed, hole at bottom of spine, missing upper headpiece and top of upper jaw, light spotting, soiling to first plate). Joint : MOREAU (F.-J.). Traité pratique des accouchemens. Paris, Germer Baillière, 1841. In-8, volume one only. Bound in black half-leather, smooth spine. Expert : Monsieur Nicolas Asvisio