GREGORY, [James], Professor. A DISSERTATION ON THE INFLUENCE OF A CHANGE OF CLIMATE IN CURING DISEASES. Translated from the original Latin, and enlarged with occasional notes by William P. C. Barton, M.D. Philadelphia: Thomas Dobson, William Fry, Printer, 1815. 212 pp. Octavo. 14 x 22 cm. In a worn and rubbed, contemporary leather binding with a red leather spine label. Front joint is cracked. Ex library, with a bookplate, a spine label, and a perforated stamp to title-page and to page 17. Text leaves are clean but for a bit of light foxing here and there. A good copy. (Shaw & Shoemaker 34814).