Manly jayhawk, sketch, 1947 Jayhawker, Vol. 59: Winter 1947 pg. 208, Box: 2, Folder: 6. Personal Papers of Gene (Yogi) Williams, PP 477. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/162252 Accessed January 13, 2025.