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Isaiah V. Williamson financial papers, 1835-1898 (inclusive)
Held at: Williamson College of the Trades (Williamson Free School of Mechanical Trades) [Contact Us]
Held at: Williamson College of the Trades (Williamson Free School of Mechanical Trades) [Contact Us]
Held at: Historical Society of Montgomery County [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]