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William H. Helfand collection of artwork and printed ephemera, 1790-1990 (inclusive)
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: Manuscripts Division [Contact Us]
Held at: Princeton University Library: Manuscripts Division [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Haverford College Quaker & Special Collections [Contact Us]
Held at: Princeton University Library: University Archives [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: Princeton University Library: Rare Book Collection [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]