"A History of Business Ethics", Values and Ethics for the 21st Century, Spain: BBVA, pp. 405-430, 2011

"A History of Business Ethics", Values and Ethics for the 21st Century, Spain: BBVA, pp. 405-430, 2011, Box: 15, Folder: 26. 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/315519 Accessed March 06, 2026.