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Frank Thomson papers, 1863-1899 (bulk) 1826-1915 (inclusive)
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: Union League of Philadelphia [Contact Us]
Held at: Chester County Historical Society [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]