Accounting ledger, list of money owed him from his children, 1909 - 1926, Box: 2, Folder: 11. Voth, Unruh, and Banman families collection, RH MS 1455. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/372808 Accessed May 10, 2024.