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By: Force, Roland W. - Ross, Lillian A.Edition:Publication info: [Chicago], Chicago Natural History Museum, 1960Volume: v.50 (1960)Series:Holding Institution: University Library, University of Illinois Urbana ChampaignSubjects:BHL Collections:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 5Date: 1960Page Range: 4--5Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 3Date: 1960Page Range: 4--5Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 4Date: 1960Page Range: 3--4Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 28Series:Issue: 3Date: 1957Page Range: 3--7Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 32Series:Issue: 5Date: 1961Page Range: 2--5Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 5Date: 1960Page Range: 6--6Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 2Date: 1960Page Range: 3--8Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 31Series:Issue: 1Date: 1960Page Range: 3--8Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects:
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By: Force, Roland W.Type: ArticleIn: BulletinVolume: 30Series:Issue: 5Date: 1959Page Range: 6--8Publication Info: [Chicago, Ill.], The Museum, [1944-1966]Subjects: