Kieffer, Joseph Spangler (1842-1919), Ms. Coll. 095. E&R Library & Archives.
Kieffer, Joseph Spangler (1842-1919), Ms. Coll. 095. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3308 Accessed July 27, 2025.
