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Library. No. 1880. List of Deficiences in the Library. Nov. 1881. 
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dings. Yol. XX. No. 110-112. 
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Von dem Office U. S. Geological Survey in Washington: Mono- 
graphs II. Dutton: Tertiary History of the Grand Canon-District 
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Von der Wisconsin Academy of Sciences, arts and letters in 
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Von dem Canadian Journal of Science, Literature and History in 
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Von der Science in Cambridge, Mass.: Science. Vol. I. No. 1—46. 
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Von der Academia Nacional de Ciencias de la Republica Argentina 
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1—4. Actas. Tome IV. Entr. 1. Informe oficial . . . Expedicion 
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