Governor's Constituent and Miscellaneous Correspondence - Congratulations/Messages, Greetings and Sympathy, January-April 1968, Box: 22, Folder: 1-4. Robert Blackwell Docking papers, RH MS 167. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/422665 Accessed February 18, 2025.