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, (1972. reprint). Octavo, photographs, very good copy in dustwrapper. New Naturalist Monograph 16. More