Governor's Constituent and Miscellaneous Correspondence - Congratulations/Messages, Greetings and Sympathy, May-December 1968, Box: 21, Folder: 19-20. Robert Blackwell Docking papers, RH MS 167. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/422664 Accessed November 27, 2024.