Jayhawk Ordnance Works plot plan; aerial map [unclear if this is also J.O.W. or not], circa 1940s, RH MS R436, Box: 1, Folder: 1. Papers of Kenneth Aldred Spencer, RH MS VLT 157. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/376015 Accessed May 18, 2024.