Lent, Jim, Development and Dissemination of a Model for Program Development, Proposal to USOE, Submitted, August 28, 1972, Box: 48, 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/454235 Accessed May 13, 2025.