Ramp, Eugene, Educational Systems Associates Sponsor Plan, 4245-13, February 26, 1986, Box: 62, Folder: 51. 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/455472 Accessed May 22, 2025.