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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: Friends Historical Library of Swarthmore College [Contact Us]
Held at: Princeton University Library: University Archives [Contact Us]
Held at: Archives of the Associated Alumni of the Central High School of Philadelphia [Contact Us]
Held at: Lehigh University Special Collections [Contact Us]