Haddon-Estaugh-Hopkins papers (HC.MC.1001), Quaker & Special Collections, Haverford College, Haverford, PA.
Haddon-Estaugh-Hopkins papers (HC.MC.1001), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/397 Accessed September 30, 2024.
