The Cambridge encyclopedia of ornithology.
Cambridge: Cambridge University Press, 1991. Quarto, colour photographs, other illustrations, very good copy in dustwrapper. More
Cambridge: Cambridge University Press, 1991. Quarto, colour photographs, other illustrations, very good copy in dustwrapper. More
London: George Allen and Unwin, 1985. Quarto, colour photographs , fine copy in dustwrapper. More
London: George Allen and Unwin, (1985. first edition). Quarto, colour photographs, very good copy in dustwrapper. More
Neptune City: T.F.H., 1978. Octavo, photographs, very good copy in laminated boards. Do not be fooled by the low quality publisher. This is a very good book written by (the late) George Smith who was a great aviculturist and writer on parrots. More