Report of the Parents' Committee: Families in Crisis, Families at Risk, H.R. Turnbull in Intervention Strategies for High Risk Infants and Young Children, Tjossem, 1976, Box: 1, Folder: 132. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304885 Accessed June 15, 2025.