Gulls: a guide to identification.
London: Poyser, (1989. reprint). Octavo, text illustrations, fine copy in dustwrapper. More
London: Poyser, (1989. reprint). Octavo, text illustrations, fine copy in dustwrapper. More
Wellington: Victoria University, 1974. Octavo, text illustrations, softcover. More
Newton Abbot: Readers Union, (1977. reprint). Octavo, text illustrations, dustwrapper. More