Dittmar, David Nevin (1849-1925), Ms. Coll. 107. E&R Library & Archives.
Dittmar, David Nevin (1849-1925), Ms. Coll. 107. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3350 Accessed July 27, 2025.
