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H. A. Pilsbry papers, 1900-1953 (bulk) 1885-1957 (inclusive)
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [Contact Us]
Held at: Free Library of Philadelphia: Children's Literature Research Collection [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: The Archives of the Episcopal Church [Contact Us]
Held at: Presbyterian Historical Society [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]
Held at: Drexel University: College of Medicine Legacy Center [Contact Us]
Held at: American Baptist Historical Society [Contact Us]
Held at: Germantown Historical Society [Contact Us]
Held at: Presbyterian Historical Society [Contact Us]
Held at: Presbyterian Historical Society [Contact Us]
Held at: Philadelphia Archdiocesan Historical Research Center [Contact Us]
Held at: Chester County Historical Society [Contact Us]
Held at: Academy of Natural Sciences, Philadelphia [Contact Us]
Held at: Library Company of Philadelphia [Contact Us]