Hall, R. Vance, Research on the Development of Children from Depriving Environments, HD-03144, December 23, 1971, Box: 39, Folder: 8. 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/453943 Accessed November 30, 2024.