"Additional Cosponsors for Pearson's S. 3306 Need for more Agricultural Production", May 10, 1966, Box: 291, Folder: 180. James Pearson's senatorial papers, RH MS 266. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/436010 Accessed February 10, 2025.