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By: Gregory, Joseph Tracy, - Schaeffer, Bobb,Edition:Publication info: 1961Volume:Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections:
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By: Gregory, Joseph Tracy,Edition:Publication info: New York, N.Y, American Museum of Natural History, [1962]Volume: no. 2095Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections:
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By: Gregory, Joseph Tracy,Edition:Publication info: 1962Volume:Series:Holding Institution: American Museum of Natural History LibrarySubjects:BHL Collections:
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By: Gregory, Joseph Tracy, - Downs, TheodoreType: ArticleIn: PostillaVolume: 8Series:Issue:Date: 1951Page Range: 1--10Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004Subjects:
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By: Gregory, Joseph Tracy,Type: ArticleIn: PostillaVolume: no.5Series:Issue:Date: 1950Page Range: 1--10Publication Info: New Haven, Peabody Museum of Natural History, 1950-2004Subjects: