IV KU (University of Kansas Institute of Psychological Research 1957 - Side I: Timothy O'Leary - "Multi-dimensional research on psychotherapy"; Side II: More O'Leary, Box: 8, tape: 3. Personal papers of M. Erik Wright, PP 403. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/634 Accessed April 19, 2024.