Ramp, Eugene, Follow Through Sponsor (Philadelphia), KU# 6646, April 2, 1993, Box: 64, Folder: 15. 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/455512 Accessed June 26, 2024.