The Legacy of Our Journey, H.R. Turnbull in TASH Connections, Volume 32, Number 1/2, January/February 2006, Box: 2, Folder: 7. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/304893 Accessed June 19, 2025.