The birds of North and Middle America - a descriptive catalog of the higher groups, genera, species, and subspecies of birds known to occur in North America, from the Arctic lands to the Isthmus of Panama, the West Indies and other islands of the Caribbean Sea, and the Galápagos Archipelago

Förlag	År	Ort	Om boken	ISBN
U.S. Govt. Print. Off.	1950-	District of Columbia, Washington	v. illus. 24 cm.