HOFFMANN, Friederich (1660-1742). A Treatise on the Virtues and Uses of Whey, London: for L. Davis and C. Reymers, 1761, 8° in 4's, FIRST EDITION (corners crumpled, upper margin of title soiled), contemporary wrappers, uncut. [Blake p. 218] -- John HILL (1706?-75). On the Virtues of Sage in Lengthening Human Life. With rules to attain old age in health and cheerfulness, London: for the author and sold by R. Baldwin and J. Ridley, [1763], 8° in 4's, FIRST EDITION (some spotting), disbound. [Blake p. 211; Wellcome III, p. 265] (2)