A guide to the birds of South America.
Wynnewood: Livingston Publishing, 1970. Octavo, colour plates, bookplate, signature, dustwrapper. More
Wynnewood: Livingston Publishing, 1970. Octavo, colour plates, bookplate, signature, dustwrapper. More
[Philadelphia]: Academy of Natural Sciences, 1966. Octavo, endpaper maps, fine copy. More