STERN, Frederick Claude. A Study of the Genus Paeonia, London: The Royal Horticultural Society, 1946, 4°, 15 coloured plates, illustrations, original cloth gilt -- FROHAWK, Frederick William. Natural History of British Butterflies, London: Hutchinson & Co., [1914], 2 vols., 2°, coloured plates (library stamps on front free endpapers), original cloth (rubbed); and 6 others of related interest. (9)