1.
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Abingdon, Oxon : Routledge, 2005.
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2.
|
[New York] New York University Press, 1958.
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3.
|
Stanford, Calif., Stanford University Press, 1962.
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4.
|
New York, Harcourt, Brace & World [1965]
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5.
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New York : Columbia University Press, 1979.
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6.
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New York, Harcourt, Brace and company [c1934]
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7.
|
New York, Harcourt, Brace & World [1961]
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