FACTS, SRS, 56-P-35148/7-01, Renewal Application, May 15, 1973, Box: 27, 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/452977 Accessed May 12, 2025.