American Association for Health, Physical Education and Recreation, Supporting materials on tax status, Executive secretarys report, Part 1 of 2, 1969, Box: 3, Folder: 6. Personal papers of Henry A. Shenk, PP 211. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/128280 Accessed January 15, 2025.