Ducks of sub-Saharan Africa.
Randburg: Acorn Books, 1986. Folio, 31 colour plates by Gail Darroll, fine copy in dustwrapper. More
Randburg: Acorn Books, 1986. Folio, 31 colour plates by Gail Darroll, fine copy in dustwrapper. More
London: New Holland, (1984. fifth edition), Octavo, colour plates, signed by the author, fine copy in dustwrapper. More
Cape Town: The Trustees of the John Voelcker Bird Book Fund, (1993. sixth edition). Octavo, colour plates, inscription from the author, fine copy in dustwrapper. More
Cape Town: The Trustees of the John Voelcker Bird Book Fund, (1993. sixth edition). Octavo, colour plates, fine copy in dustwrapper. More