DELACOUR, Jean. The Waterfowl of the World, London: Country Life, 1963-61-60-64, 4 volumes, 4°, coloured plates by Peter Scott, illustrations, original cloth, dust-jackets -- Waldemar H. FRIES. The Double Elephant Folio, Chicago: American Library Association, 1973, 8°, coloured frontispiece, plates and illustrations, original cloth; and one other on ornithology. (6)