Report to Congress by Osers - "Individualized Education Programs: Local Educational Agency Uses, Opinions, and Prospects", A. Turnbull and H.R. Turnbull, June 30, 1981, Box: 14, Folder: 36. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305324 Accessed June 19, 2025.