Man and birds.
London: Collins, (1971. first edition). Octavo, photographs, owner's signature and date, very good copy in unclipped dustwrapper. New Naturalist 51. More
London: Collins, (1971. first edition). Octavo, photographs, owner's signature and date, very good copy in unclipped dustwrapper. New Naturalist 51. More
London: Collins, 1965. Octavo, photographs, near fine copy in dustwrapper (not price-clipped). New Naturalist Monograph 20. More
London: Institute of Biology, 1968. Octavo, text illustrations, a good copy in sunned and slightly chipped dustwrapper. More