1.
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[Place of publication not identified] : [publisher not identified], 1910. New York : Isaac Goldmann Co., Printers, 1910. ©1902
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2.
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New York : Macmillan, 1921.
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3.
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Philadelphia : The Vir Publishing Company, [1909] ©1909
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4.
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Dresden : Volkshygienscher Verlag, [1901] ©1901
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5.
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Stuttgart : Hobbing & Büchle, 1897-1898.
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6.
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New York : Murray Hill Verlags-Handlung, 1889.
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7.
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Stockholm : Björck & Börjesson, 1906.
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8.
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Cincinnati : Robert Clarke Company, 1910.
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9.
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Philadelphia, U.S.A. ; London, England : The Vir Publishing Company ; Toronto, Canada : William Briggs, [1897] ©1897
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10.
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Paris : V. Giard & E. Brière, 1908.
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