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Leonard B. Meyer papers, 1935-2008 (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: Chester County Historical Society [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Science History Institute Archives [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]