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
Johannesburg: BirdLife South Africa, 1997. Octavo, Two volumes [Volume 1: Non-passerines. Volume 2: Passerines], not available separately. A fine set. More
London: Trustees of the British Museum (Natural History), 1978. Small folio, maps. Publisher's cloth, apart from a few flecks a very good copy. More