Funk, Robert to David Otto regarding excuse from Stephens Commencement as regards a trip to Paris, May 10, 1971, Box: 1, Page: 131. 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/32524 Accessed June 14, 2024.