Check-list of North American birds American Ornithologists' Union. creator text book New York American Ornithologists' Union 1910 1910 3d ed. (rev.) ...
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ENG "The fossil birds of North America": p. [375]-393. "The fossil birds of North America": p. [373]-393. Birds Nomenclature North America QL677 .A6 https://www.biodiversitylibrary.org/bibliography/13786 1544159 gs10000614 10.5962/bhl.title.13786 U.S. Geol. Survey. Library