Loos, Isaac Kalbach (1830-1889), Ms. Coll. 286. E&R Library & Archives.
Loos, Isaac Kalbach (1830-1889), Ms. Coll. 286. E&R Library & Archives. https://erhistoricalsociety.libraryhost.com/repositories/2/resources/3498 Accessed July 27, 2025.
