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By: Humphrey, Philip S - Ripley, S. DillonType: ArticleIn: PostillaVolume: 61Series:Issue:Date: 1962Page Range: 1--21Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004Subjects:
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By: Humphrey, Philip S - Peterson, Roger ToryType: ArticleIn: The Wilson bulletinVolume: 90Series:Issue: 4Date: 1978Page Range: 544--552Publication Info: Columbus, Ohio, Wilson Ornithological Society, 1894-Subjects:
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By: Humphrey, Philip S - Freund, RudolfType: ArticleIn: PostillaVolume: 60Series:Issue:Date: 1962Page Range: 1--11Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004Subjects: