An atlas of speciation in African passerine birds.
London: Trustees of the British Museum (Natural History), 1970. Small folio, coloured frontispiece, maps, signature, bookplate, very good copy in dustwrapper. More
London: Trustees of the British Museum (Natural History), 1970. Small folio, coloured frontispiece, maps, signature, bookplate, very good copy in dustwrapper. 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: British Ornithologists' Union, 1924. Octavo, wrappers, partly unopened. More
Vlaeberg: Fernwood Press, 1996. Octavo, colour photographs, bookplate, lengthy inscription, near fine copy in dustwrapper. An authoritative text, covering some 90 groups of species - from the Ostrich to canaries and buntings - giving details of courtship and pairing, nest construction, and eggs, chicks and their care. More