British seals.
London: Collins, (1974. first edition). Octavo, photographs, fine copy in dustwrapper (not price-clipped). New Naturalist 57. More
London: Collins, (1974. first edition). Octavo, photographs, fine copy in dustwrapper (not price-clipped). New Naturalist 57. More
London: Collins, 1982. Octavo, photographs, fine copy in dustwrapper (not price-clipped). New Naturalist 68. More
London: Collins, 1954. Octavo, photographs, signature, near fine copy in unclipped dustwrapper, the signature of Douglas Dorwood, scarce. New Naturalist Monograph 10. More