PSHTC, Chaffin and DeBriere, Proposed Rehabilitation Project, December, 1967, Box: 62, Folder: 25. 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/455446 Accessed May 14, 2025.