Rice/O'Brien, Early Childhood Research Institute, (KECRI), KU# 4798, May 10, 1991, Box: 66, Folder: 9. 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/455552 Accessed July 08, 2025.