D. Clarence Unrau, Stovall and Murphy studios, Newton, Kansas, 1930-circa 1940, Box: 3, Folder: 72. 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/376219 Accessed January 02, 2025.