Variation in mammalian populations.
London: Academic Press, 1970. Octavo, text illustrations, very good copy in worn dustwrapper. Symposium of the Zoological Society of London, number 26. More
London: Academic Press, 1970. Octavo, text illustrations, very good copy in worn dustwrapper. Symposium of the Zoological Society of London, number 26. More
London: Collins, 1977. Octavo, colour photographs, signature, fine copy in dustwrapper. New Naturalist number 61. More
London: Collins, (1980. first edition). Octavo, photographs, bookplate, fine copy in unclipped dustwrapper, scarce. New Naturalist 64. More