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Start Over You searched for: Repository Academy of Natural Sciences, Philadelphia Remove constraint Repository: Academy of Natural Sciences, Philadelphia Form Correspondence Remove constraint Form: Correspondence Language English Remove constraint Language: English

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Zaccheus Collins correspondence, 1805-1827 (inclusive)

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Edward Drinker Cope papers, 1859-1907 (inclusive)

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Academy of Natural Sciences, Philadelphia Exhibits Department records, 1852-2001 (inclusive)

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J. Percy Moore papers, 1847-1963 (inclusive)

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Ruth Patrick papers, 1960-1990 (bulk) 1908-2012 (inclusive)

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