1.
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2.
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Englewood Cliffs, N.J., Prentice-Hall [1962]
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3.
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Chicago, University of Chicago Press [1964,c1961]
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4.
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Princeton, N.J., Princeton University Press, 1966.
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5.
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Chicago ; London : The University of Chicago Press, 2023.
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6.
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Princeton, N.J. : Princeton University Press, c1978.
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