Doctor Herman F. and Gwen Galle Janzen, and child, circa late 1920s to mid 1930s, Box: 3, Folder: 33. 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/376172 Accessed December 21, 2024.