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Thornton Oakley collection of Howard Pyle and his students, 1887-1951 (bulk) 1841-1992 (inclusive)
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Free Library of Philadelphia: Rare Book Department [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Philadelphia History Museum [Contact Us]
Held at: Pottstown Historical Society [Contact Us]
Held at: Richard Allen Museum Archives [Contact Us]
Held at: Ryerss Museum and Library [Contact Us]
Held at: Roxborough Manayunk Wissahickon Historical Society [Contact Us]
Held at: Stenton [Contact Us]