William Morris Maier papers (HC.MC.1256), Quaker & Special Collections, Haverford College, Haverford, PA.
William Morris Maier papers (HC.MC.1256), Quaker & Special Collections, Haverford College, Haverford, PA. https://archives.tricolib.brynmawr.edu//repositories/5/resources/688 Accessed April 24, 2024.
