Service department monthly hours and percent; pamphlets from employee/supervisor meetings; Caterpillar Washington transportation seminar; world dealer sales manager conference, 1971, 1978 & 1982-85, Box: 14, Folder: 3. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154054 Accessed June 15, 2024.