T. Chalkley Matlack notebooks (HC.MC.1106), Quaker & Special Collections, Haverford College, Haverford, PA.
T. Chalkley Matlack notebooks (HC.MC.1106), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/449 Accessed April 27, 2024.
