Congressional Record: Proceedings and Debates of the 92d Congress, first session, including information on Missouri delegation's actions in Paris, March 1, 1971, Box: 2, Folder: 1-6. The Dr. David A. Otto, Special Envoy for the Missouri State Teachers Association during the time of the 1971 Paris Peace Talks, collection, RH MS 1257. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/32525 Accessed May 16, 2024.