Fixen, Teaching-Parent Training Program, MH13644-01, Grant Awards, 1973 - 1977, Box: 28, Folder: 41. 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/453068 Accessed May 15, 2025.