Brumbach, Aaron L. (1875-1967), Ms. Coll. 071. E&R Library & Archives.
Brumbach, Aaron L. (1875-1967), Ms. Coll. 071. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3282 Accessed July 27, 2025.
