[Kansas Modern Languages Association] K.M.L.A, A.A.T.G. [3 folders], 1961-1980, Box: 9, Folder: 19-21. Personal Papers of Helmut E. Huelsbergen, PP 555. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/213057 Accessed September 20, 2024.