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Washington: Government Printing Office, 1917
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Washington: Gov. Print. Off., 1916
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Washington: Government Printing Office, 1913
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Washington: Government Printing Office, 1909
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Washington: U.S. Govt. Print. Off, 1905
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Washington, DC, 1904 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1897 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1895 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1897 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1894 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Crystal Records, 130719
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Washington, DC, 1900 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1896 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1893 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2006
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Washington, DC, 1885 ; Online-Ausg.: Chester, Vt: NewsBank, inc, 2005
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Ovid Technologies (Wolters Kluwer Health), 1993
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Ovid Technologies (Wolters Kluwer Health), 1993
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Smithsonian Institution, 1917
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Smithsonian Institution, 1909
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American Association for the Advancement of Science (AAAS), 1900