"1st Statement on the June 8th Kansas Tornados and the Need for the S. 1861 Warning System", June 9, 1966, Box: 291, Folder: 189. James Pearson's senatorial papers, RH MS 266. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/436019 Accessed May 12, 2024.