Vickie Keyes (1993), William Gudenkauf, Jeff Wood, Scott Heinen two copies, Eric North, Jim Pearson (1995), Gerald Newton, Denise Evans three copies, Duane Bean, Linden Snavely, Shawn Ridgeway, Paul Baird three copies, Stan Wilson, Vernon Sparks, Donna Thommen, Box: 2, Folder: 25. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154256 Accessed December 22, 2024.