Missouri POW/MIA [Prisoner of War / Missing in Action] Inquiry as to fate, welfare, and release, Box: 1, Page: 7-9. 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/32489 Accessed May 16, 2024.