1.
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New York : Pantheon Books, c1978.
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2.
|
New York, World Pub. Co. [1971]
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3.
|
New York, E. P. Dutton, 1973.
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4.
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London : Routledge, 2002.
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5.
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Totowa, New Jersey, Litlefield, Adams, 1976.
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6.
|
Cambridge, Mass. : Harvard University Press, 1980.
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7.
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New York, Basic Books [1973]
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8.
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[Worcester, Mass.] Clark University Press, 1968.
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9.
|
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10.
|
London : Routledge, 1999, c1951.
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