McLean, James, 84.29K-Special Project: Substantive Training in Early Language Acquisition and Intervention for Parents, Caregivers, and Paraprofessionals, KU# 6572-X701-1, January 19, 1983, Box: 50, Folder: 20. 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/455068 Accessed February 18, 2025.