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1.
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New York : Random House, [1975]
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3.
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New York : Times Books, 2007.
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4.
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Port Washington, N.Y., Kennikat Press [1967, c1926]
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5.
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6.
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New York, W. W. Norton & company, inc., c1935.
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7.
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8.
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New York : W.W. Norton, c1959.
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9.
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New York, Gordian Press, 1967 [c1940]
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