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London : British Society for the Study of Sex Psychology, 1921.
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2.
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New York : Macmillan Company, 1912.
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3.
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London : George Allen & Company, Ltd., 1912.
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4.
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New York : Rebman Company, [1920] London : William Heinemann (Medical Books), Ltd., 1920.
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5.
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Abingdon, Oxon [U.K.] : Routledge, 2011.
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Garden City, N.Y., Garden City Publishing Co., inc. [1933]
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Philadelphia, Chicago, The John C. Winston company, c1935.
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8.
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London : George Allen & Unwin Ltd., [1923]
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9.
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New York : Critic and Guide Company, 1917.
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