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William Whitaker And Sons, Incorporated records, 1921-1977 (inclusive)

Held at: Philadelphia University: Paul J. Gutman Library, Special Collections [Contact Us]

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Saint Joseph'S University Records, 1851-2019

Held at: Saint Joseph's University (formerly Saint Joseph’s College) [Contact Us]

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Miller-Dickey Family papers, 1786-1992 (inclusive)

Held at: Chester County Historical Society [Contact Us]

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Academy of Natural Sciences, Philadelphia papers on expeditions, 1819-1969 (inclusive)

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

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Jacob Cist correspondence and documents, 1794-1829 (inclusive)

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

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Constantine Samuel Rafinesque papers, 1818-1977 (inclusive)

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

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H. A. Pilsbry papers, 1900-1953 (bulk) 1885-1957 (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]

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Barry-Hayes papers, 1778-1861 (bulk) 1723-1875 (inclusive)

Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]

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Edward O. Clark papers, 1860-1985 (bulk) 1830-1995 (inclusive)

Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]