LEVRET (A.) Observations on the causes and accidents of several laborious childbirths, with remarks on what has been proposed or put into use to complete them and new means of achieving them more easily. Paris, Alex. Le Prieur, 1762 [followed by] Suite des observations sur les causes et les accidens de plusieurs accouchemens laborieux, avec des remarques sur ce qui a eté proposé ou mis en usage pour les terminer et de nouveaux moyens pour y parvenir plus aisément. Paris, Delguette, 1751. 2 parts in one volume in-8, third revised and corrected edition for the first part, first edition for the second, illustrated with 3 folding plates. Bound in contemporary full marbled calf, spine with 5 raised bands. Ex-libris D. Rufin on the flyleaf and handwritten ex-libris Bertin (?) on the title page. (some foxing, binding rubbed, upper spine split, minor knocks to spine and headpieces). Expert : Mr. Nicolas Asvisio