Pat Catterson, Tim Cheney (1999), Twila Hale, Corinne Schilz (1999), Michelle Parsons, David L. Wright, Bob Hall (1999), Gene Higley, Mike Gudenkauf, Eric North, Dean Porter (1993), Richard (Dick) (Rogie) Rogenmoser, Box: 2, Folder: 75. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154306 Accessed June 12, 2025.