The Birds of North and Middle America: A Descriptive Catalog ... Part IX ... by Robert Ridgway; continued by Herbert Friedmann
Washington, D.C. Government Printing Office, 1941. Paperback. Title continued: "of the Higher Groups, Genera, Species, and Subspecies of Birds Known to Occur in North America, from the Artic Lands to the Isthmus of Panama, the West Indies and other Islands of the Caribbean Sea, and the Galapagos Archipelago." ix, [1]..... More