Correspondence between Senator Eagleton, Thomas and Dr. David Otto regarding Missouri delegation and visit to Washington, March 3 - April 23, 1971, Box: 1, Page: 62-68. 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/32508 Accessed November 15, 2024.