Due Process Procedures to be Followed for 'The Placement for Children with Special Needs in Education Programs', Sawyer and H.R. Turnbull, December 3, 1979, Box: 15, Folder: 16. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305380 Accessed June 15, 2025.