"The Plow that Broke the Plains" - K. Armitage references

"The Plow that Broke the Plains" - K. Armitage references, Box: 11, Folder: 66-69. Personal Papers of Lloyd Sponholtz, PP 521. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/252626 Accessed March 09, 2026.