Dieffenbacher, Jacob Follmer (1802-1842), Ms. Coll. 023. E&R Library & Archives.
Dieffenbacher, Jacob Follmer (1802-1842), Ms. Coll. 023. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3231 Accessed July 27, 2025.
