Hall, R. Vance, Parent Training-A Preventative Mental Health Program, May 4, 1979, Box: 40, Folder: 11. University of Kansas Schiefelbusch Institute for Life Span Studies records, RG 35. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/453974 Accessed July 13, 2025.