Greg Martin, Brian Markley, David Aarnes, Tamara Lee two copies, Randy Frank three copies, Dave Casey 1994, James Harrod, Kevin Howard two copies, James Vanderblomen 1994, John Pool three copies, Bill Gilliland, Box: 2, Folder: 16. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154247 Accessed June 23, 2025.