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Nicholas L. Childs family papers, 1818-1991 (inclusive)
Held at: Historical Society of Montgomery County [Contact Us]
Held at: Historical Society of Montgomery County [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [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: Princeton University Library: Public Policy Papers [Contact Us]