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By: Simpson, Donald Ray,Edition:Publication info: Chicago, Ill, Field Museum of Natural History, 1972Volume: v.36:no.1 (1972)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Simpson, Donald Ray,Edition:Publication info: Chicago, Ill, Field Museum of Natural History, 1976-Volume: v.36:no.12 (1976)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Simpson, Donald Ray,Type: ArticleIn: Field Museum of Natural History bulletinVolume: 43Series:Issue: 4Date: 1972Page Range: 12--15Publication Info: [Chicago, Ill.], The Museum, [1972]-©1990Subjects:
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By: Simpson, Donald Ray,Type: ArticleIn: BulletinVolume: 41Series:Issue: 4Date: 1970Page Range: 13--13Publication Info: [Chicago], The Museum, 1966-1972Subjects:
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By: Simpson, Donald Ray,Type: ArticleIn: Fieldiana. BotanyVolume: 36Series:Issue:Date: 1976Page Range: 125--164Publication Info: [Chicago], Chicago Natural History Museum, 1958-Subjects: