Achievement Place, Mont Wolf's Grant: Behavior Modification with Pre-Delinquents, Submitted, October 31, 1969, Box: 1A, Folder: 2. 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/452219 Accessed February 18, 2025.