The Yellow Wagtail.
London: Collins, 1950. Octavo, illustrations, very good copy in unclipped dustwrapper, the stamp of Ian Rowley. New Naturalist Monograph number four. More
London: Collins, 1950. Octavo, illustrations, very good copy in unclipped dustwrapper, the stamp of Ian Rowley. New Naturalist Monograph number four. More
London: Collins, (1950. first edition). Octavo, colour plates, near fine copy in dustwrapper (not price-clipped). New Naturalist Monograph 4. More
London: Collins, (1950. first edition). Octavo, colour plates, signatures, worn dustwrapper. New Naturalist Monograph number four. More