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By: Sibley, Charles GType: ArticleIn: The Wilson bulletinVolume: 67Series:Issue: 2Date: 1955Page Range: 128--132Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Sibley, Charles G - Ahlquist, Jon EType: ArticleIn: BulletinVolume: 39Series:Issue:Date: 1972-12-01Page Range: 1--276Publication Info: New Haven, The Museum,Subjects:
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By: Sibley, Charles G - Ahlquist, Jon EType: ArticleIn: The Wilson bulletinVolume: 94Series:Issue: 2Date: 1982Page Range: 114--128Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects: