Pennsylvania History Press letterbook (HC.MC.975.02.033), Quaker & Special Collections, Haverford College, Haverford, PA.
Pennsylvania History Press letterbook (HC.MC.975.02.033), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/1144 Accessed January 23, 2025.
