Dr. M. Erik Wright teaching tape - Wynard Pienaar, March 22, 1966 (I); Kay Beattie, March 29, 1966 (II), Box: 6, tape: 33. Personal papers of M. Erik Wright, PP 403. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/589 Accessed January 13, 2025.