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Thayer family collection, 1892-1986 (inclusive)
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: Independence Seaport Museum, J. Welles Henderson Archives and Library [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: Philadelphia Archdiocesan Historical Research Center [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Drexel University: College of Medicine Legacy Center [Contact Us]
Held at: University of Pennsylvania: University Archives and Records Center [Contact Us]
Held at: Historical Medical Library of The College of Physicians of Philadelphia [Contact Us]