Dr. Grey Walter - "Models of mentality" October, 1957; Edward Kempf - "Basic biodynamics" (Winter VAH) June, 1957, Box: 7, tape: 36. Personal papers of M. Erik Wright, PP 403. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/629 Accessed December 22, 2024.