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Fifteenth supplement to the American Ornithologists' Union check list of North American birds
Amer Ornithologists'Union Committee, on Nomenclature
Date:
1909
Citation:
Amer Ornithologists'Union Committee, on Nomenclature. 1909. "Fifteenth supplement to the American Ornithologists' Union check list of North American birds." The Auk. 26 (3):294–303.