1.
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New York, W. W. Norton & Company, inc. [c1927]
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2.
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London : G. Allen & Unwin, 1956.
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3.
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London, G. Allen & Unwin; New York, Humanities Press [1968]
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4.
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London ; New York : Oxford University Press, 1959, 19712.
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5.
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New York, Simon and Schuster, 1957.
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6.
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New York, Simon and Schuster, 1948.
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7.
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New York : W. W. Norton & Company Inc., c1929.
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8.
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New York, W.W. Norton & Company, inc. [1938]
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9.
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New York, Simon and Schuster, 1952.
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10.
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Totowa, N.J., Littlefield, Adams, 1974 [c1968]
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