McLean, Jim, An Eco-behavioral Approach to the Designing of Developmentally Facilitating Institutional Environments for the Profoundly Mentally Retarded, Submitted, January 3, 1977, Box: 49a, Folder: 1. 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/454303 Accessed June 17, 2024.