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Assorted Philatelic Chemistry Materials Collection, 1935-2006 (inclusive)
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Philadelphia Museum of Art Archives [Contact Us]
Held at: Philadelphia Museum of Art Archives [Contact Us]
Held at: Historical Society of Pennsylvania [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Temple University Libraries Special Collections Research Center [Contact Us]
Held at: Swarthmore College Peace Collection [Contact Us]
Held at: Swarthmore College Peace Collection [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]