Family involvement; management education; guidelines and life insurance in the event of W. Martin death; miscellaneous handwritten notes, 1968, 1973-75, 1977, 1980, 1982 & 1986-88, Box: 12, Folder: 8. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154034 Accessed January 03, 2025.