Fixen, Teaching-Parent Training Program, 2472/1836-1, 1T21-NH13644-01, $97,637, July 1 1973-June 30, 1974, Box: 28, Folder: 39. 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/453066 Accessed May 15, 2025.