International President's Bulletin, [Brotherhood of Railway, Airline and Steamship Clerks, Freight Handlers, Express and Station Employees, BRAC], 1969-1974, Box: 152. Bryan K. Whitehead papers, RH MS 548. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/62533 Accessed May 19, 2024.