Newspaper clipping "Granted rare interview in Paris Columbians talk with Viet Cong,", February 26, 1971, Box: 1, Page: 29-30. 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/32498 Accessed November 15, 2024.