Achievement Place, Phase III, MH 20030-07, Submitted, November 8, 1977, Box: 1A, Folder: 34. 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/452251 Accessed June 17, 2024.