[HEALTH & DIET] METCHNIKOFF, Elie. The Prolongation of Life; Optimistic studies, the English translation edited by P Chalmers Mitchell, London: William Heinemann & New York: G. P. Putnam, 1907, 8°, FIRST EDITION, original cloth -- Robert HUTCHINSON. Food and the Principle of Dictics, London: Edward Arnold, 1900, 8°, FIRST EDITION, plates and illustrations, original cloth (ex library) -- W Gilman THOMPSON. Practical Dietetics with special reference to disease, New York: D Appleton, 1897, 8°, plates, contemporary half roan -- John Boyd ORR. Food, Health and Income, London: Macmillan, 1936, 4°, FIRST EDITION, original printed boards -- and a quantity of books on food, health and diet, late 19th to early 20th century, including another copy of Thompson, and the 1937 second edition of Orr's book. (a lot)