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3.
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London : Trübner and Company, 1879.
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4.
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New York : Longmans, Green & Company, 1901.
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5.
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City of Washington [District of Columbia] : The Smithsonian Institution, 1894.
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6.
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London : William Heinemann, 1901.
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7.
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London : John Murray, 1905.
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8.
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New York : Century Company, 1891.
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9.
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Paris : Librairie Hachette et Cie, 1880.
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10.
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Chicago ; New York ; Toronto ; London ; Edinburgh : Fleming H. Revell Company, [1901] ©1901
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