Handbook of North American birds, volume four: Diurnal raptors (part one).
New Haven: Yale University Press, 1988. Octavo, illustrations, fine copy in dustwrapper. More
New Haven: Yale University Press, 1988. Octavo, illustrations, fine copy in dustwrapper. More
New Haven: Yale University Press, 1961. Octavo, colour plates, ex-library, fine copy in dustwrapper. More
New Haven: Yale University Press, 1962 -1988. Quarto, colour plates, text illustrations, a very good set in dustwrappers. Volume one: Loons through flamingos; volume two: Waterfowl (first part); volume three: Waterfowl (concluded); volume four: Diurnal raptors (part one); volume five: Diurnal raptors (part two). More