Lyle Anderson four copies, John Lang, Wayne Creasser, Darcy Sund, Tim Carlin, Jeff McClain, James Vanderblomen, Kelby Sherer, Bill Leiser (1994), Dalyn Diereks two copies, Bob Knoernschild (1994), Harry Baker, Todd Eckert, Gary Funk, Box: 2, Folder: 19. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154250 Accessed December 22, 2024.