Documentation of continuing education of Doug Billings through KSRT, ASRT, and SNM, 1985-1999, Box: 3, Folder: 5. Kansas Society of Radiologic Technologists records, RH MS 222. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/79680 Accessed May 11, 2024.