[Kansas Association of Teachers of German] K.A.T.G. [2 folders], 1982-1983, Box: 9, Folder: 9-10. Personal Papers of Helmut E. Huelsbergen, PP 555. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/213047 Accessed September 20, 2024.