The Darby Corporation: “List of Steel Materials,” “Application of Employment,” and News Clippings, 1951 - 1959, Box: 8, Folder: 30. Papers of Harry Darby, RH MS 1345. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/166747 Accessed May 19, 2024.