Check-list of North American birds
By: prepared by a committee of the American Ornithologists' Union.
Edition: 4th ed., constituting the "Systema avium" for North America north of Mexico.
Publisher: American Ornithologists' Union
Published: 1931
Place of publication: Lancaster, Pa
Language: eng
Number of pages: 526
Subjects: Birds -- Nomenclature.; Birds -- North America.
Other titles: A.O.U. check-list of North American birds
Notes: Spine title: The A.O.U. check-list of North American birds.

Includes index.

Condition reviewed: 19940415; IW; Paper brittle; Do not photocopy; Does not circulate.