The birds of Africa, volume four: Broadbills to Chats.
London: Academic Press, 1992. Quarto, colour plates, maps, fine copy in dustwrapper. More
London: Academic Press, 1992. Quarto, colour plates, maps, fine copy in dustwrapper. More
Cambridge: International Council for Bird Preservation, 1988. paperback, illustrations. Internationl Council for Bird Preservation Monograph No. 3. More
Cambridge: International Council for Bird Preservation, (1985. third edition). Octavo, 12 colour plates, fine copy in dustwrapper. volume two 24638. More
New York: American Museum of Natural History, 1970. Quarto, wrappers, colour plates, photographs, maps, sonograms. Bulletin of the American Museum of Natural History, volume 143, article 1. More
London: New Holland, 1988. Octavo, colour photographs, signature, very good copy in dustwrapper. More