Crowder, Jeane, A Normative/Experimental Study of Infant-Teenage Mother Interaction, Submitted, April 20, 1976, Box: 22, Folder: 12. 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/452845 Accessed July 13, 2025.