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Start Over You searched for: Year 1950 to 1999 Remove constraint Year: <span class="from" data-blrl-begin="1950">1950</span> to <span class="to" data-blrl-end="1999">1999</span>

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The professional and personal papers of Edwin Wolf 2nd, 1920-1988 (bulk) 1798-1996 (inclusive)

Held at: Library Company of Philadelphia [Contact Us]

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United Political Action Committee of Chester County records, 1958-1996 (inclusive)

Held at: Chester County Historical Society [Contact Us]

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Wagner Free Institute of Science Committee Reports, 1929-1981 (inclusive)

Held at: Wagner Free Institute of Science [Contact Us]

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Westbrook Free Lectureship Records, 1912-1924 (bulk) 1910-1990 (inclusive)

Held at: Wagner Free Institute of Science [Contact Us]

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Academy of Natural Sciences, Philadelphia Board of Trustees records, 1976-1989 (bulk) 1925-1990 (inclusive)

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

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Crawford H. Greenewalt papers, 1951-1993 (inclusive)

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

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Drexel family collection, 1826-1991 (inclusive)

Held at: Drexel University: Archives and Special Collections [Contact Us]