"The History of Business Ethics", The Accountable Corporation, ed. by Marc Epstein and Kirk Hanson, Westport, Connecticut: Praeger, v. 2, pp. 47-58, 2006

"The History of Business Ethics", The Accountable Corporation, ed. by Marc Epstein and Kirk Hanson, Westport, Connecticut: Praeger, v. 2, pp. 47-58, 2006, Box: 15, Folder: 16. Personal papers of Richard T. De George, PP 531. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/315509 Accessed March 04, 2026.