Memo to President C. C. Otto from Ray B. Duboc, Chairman of the Board, April 26, 1965, Box: 1, Folder: 22. Clifton Crain Otto collection of the Western Insurance Companies records, RH MS 1146. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/90837 Accessed May 12, 2024.