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Berkeley: Univ., 1894
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Berkeley: Univ., 1893
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Washington, D.C.: Smithsonian Inst., 1910
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[Erscheinungsort nicht ermittelbar]: [Verlag nicht ermittelbar], February, 1921
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Berkeley: Univ., 1902
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New York: Wiley, 1962
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New York: Wiley, 1955
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New York: Wiley, 1951
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Washington, DC, 1926 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2007
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American Association for the Advancement of Science (AAAS), 1940
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The Science Press, 1940
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JSTOR, 1926
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American Association for the Advancement of Science (AAAS), 1914
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American Association for the Advancement of Science (AAAS), 1910
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American Association for the Advancement of Science (AAAS), 1911
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American Association for the Advancement of Science (AAAS), 1910
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American Association for the Advancement of Science (AAAS), 1911
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The Science Press, 1910
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The Science Press, 1911
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The Science Press, 1910