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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]

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Conner family papers, 1832-1856 (bulk) 1832-1856 1816-1903 (inclusive)

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

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Independence Seaport Museum collection of Pennsylvania Nautical School material, 1900-2009 (bulk) 1859-2009 (inclusive)

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

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John E. Hand & Sons Co. records, 1865-2002, undated [bulk dates: 1900-1980]

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

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John H. Mathis Company records, 1919-1987 (inclusive)

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

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Marvin Rosefield Keck papers, 1916-1920 (bulk) 1916-1972 (inclusive)

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

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Thomas D. Bowes M.E., Associates records, 1904-1980 (inclusive)

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