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Start Over You searched for: Repository Academy of Natural Sciences, Philadelphia Remove constraint Repository: Academy of Natural Sciences, Philadelphia Year 1995 to 1999 Remove constraint Year: <span class="from" data-blrl-begin="1995">1995</span> to <span class="to" data-blrl-end="1999">1999</span>

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President's Office and Administrative Records, 1874-2003, 1939-1993 (bulk) 1874-2003 (inclusive)

Held at: Academy of Natural Sciences, Philadelphia [Contact Us]

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

Held at: Academy of Natural Sciences, Philadelphia [Contact Us]

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

Held at: Academy of Natural Sciences, Philadelphia [Contact Us]

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Academy of Natural Sciences, Philadelphia Division of Environmental Research records, 1952-1995 (inclusive)

Held at: Academy of Natural Sciences, Philadelphia [Contact Us]