Fixen, Teaching-Parent Training Program, MH13644-02, Expenditures Report, July 1, 1974-June 30, , 1975, Box: 28, Folder: 43. 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/453070 Accessed May 15, 2025.