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[1948], 1948
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[between 1948 and 1949], 1949
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[1948], 1948
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[1948], 1948
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New York : [American Museum of Natural History], 1953
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American Museum of Natural History: AMNH scientific publications, 1948
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[1947-1948], 1948
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American Museum of Natural History: AMNH scientific publications, 1948-01-07
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[1948], 1948
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American Museum of Natural History: AMNH scientific publications, 1947