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Henry Howard Houston Estate Papers, 1698-1989 (inclusive) 1830-1953 (bulk)
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: Historical Society of Frankford [Contact Us]
Held at: Media Historic Archives Commission [Contact Us]
Held at: Newtown Historic Association [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]
Held at: Delaware County Historical Society [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]