Jason Jackson two copies, Ron Wintjen, Fred Weber (1995), Nick Fritch (2000), Darin Gough (1998), Jerad Hoag (2000), Larry Poitts (?) 2000, Paul Korle, Chas Rogers, Dan Buckel (?), Jim Snodgrass, Keith Reed, Lila Scott, Service Tech Reps, Dick Stewart, Mr. and Mrs. Chas Sloop (1972), Box: 2, Folder: 37. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154268 Accessed January 03, 2025.