O'Brien, Marion, Parental Attributions and Children's Social Cognitive Development, KU# 1370X, Grant Award, 1998 - 1999, Box: 54, Folder: 6. 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/455196 Accessed July 12, 2025.