FBIS [Foreign Broadcast Information Service] Daily Report - People's Republic of China, Vol. 1, no. 70, 1973-04-11, Box: 2, Folder: 19. Personal Papers of Robert A. Burton, PP 345. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/177206 Accessed May 19, 2024.