Rich Yoakum (1994), Mike Harris (1996), Jessica Mackey (1993), Aaron McMichael (2000), Melissa Moore (1997), Gary O'Brien (1999), Brian Phillips (1996), Box: 2, Folder: 79. Martin Tractor Company records, RH MS 864. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/154310 Accessed January 03, 2025.