Wilmer G. Mason papers (HC.MC.950.123), Quaker & Special Collections, Haverford College, Haverford, PA.
Wilmer G. Mason papers (HC.MC.950.123), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/1318 Accessed January 03, 2025.
