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James Cloyd Downs Papers, 1902-2018 (inclusive) 1923-1957 (inclusive)
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: University of Pennsylvania: Biddle Law Library [Contact Us]
Held at: Drexel University: Archives and Special Collections [Contact Us]
Held at: University of Pennsylvania: Penn Museum Archives [Contact Us]
Held at: University of Pennsylvania: Penn Museum Archives [Contact Us]
Held at: Haverford College Quaker & Special Collections [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]