Nora Fastenau Leefers (half sister of Bertha Fastenau Kufahl) and her husband John Leefers, Box: 1, Folder: 6. Bales family papers, RH MS 952. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/68809 Accessed November 23, 2024.