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Lorenz and Zehring family papers, 1880-2018 (inclusive) 1920s-1970s (bulk)
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: Philadelphia Area Consortium of Special Collections Libraries [Contact Us]
Held at: Union League of Philadelphia [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: University of Pennsylvania: Kislak Center for Special Collections, Rare Books and Manuscripts [Contact Us]
Held at: Philadelphia Area Consortium of Special Collections Libraries [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Pennsylvania Horticultural Society [Contact Us]
Held at: German Society of Pennsylvania: Joseph P. Horner Memorial Library [Contact Us]