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New York: Harper, 1956
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s.l.: Harvard University Press, 1948 ; 1948
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Cambridge University Press (CUP), 1960
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The Mississippi Valley Historical Association, 1961
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Cambridge University Press (CUP), 1944
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JSTOR, 1944
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Oxford University Press (OUP), 1961
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JSTOR, 1949
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JSTOR, 1949
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Oxford University Press (OUP), 1949
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JSTOR, 1958
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Oxford University Press (OUP), 1957
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JSTOR, 1973
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JSTOR, 1972
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American Association for the Advancement of Science (AAAS), 2021
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Oxford University Press (OUP), 2023