Check-list of North American birds : according to the canons of nomenclature of the American Ornithologists' Union American Ornithologists' Union. creator text book [s.l.] The Union 1889 1889 Abridged ed., rev.
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ENG "At the Sixth Congress of the American Ornithologists' Union, held in Washington, D. C., November 13-15, 1888, it was decided to publish a Supplement to the A. O. U. Check-List ..." Birds Nomenclature North America North American birds https://www.biodiversitylibrary.org/bibliography/57136 5277558 10.5962/bhl.title.57136 NIC