Bertha (Fastenau) Kufahl and Sylvester William Kufahl at the home of her parents, Henry and Catharina Fastenau, Norfolk, Nebraska (7 prints), Box: 1, Folder: 47. Bales family papers, RH MS 952. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/68850 Accessed November 23, 2024.