"The Origins of Applied Philosophy", Philosophers at Work: Issues and Practice of Philosophy, 2nd edition, ed. by Elliot D. Cohen, New York: Harcourt College Publishers, pp. 9-14, 2000

"The Origins of Applied Philosophy", Philosophers at Work: Issues and Practice of Philosophy, 2nd edition, ed. by Elliot D. Cohen, New York: Harcourt College Publishers, pp. 9-14, 2000, Box: 14, Folder: 80. 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/315486 Accessed March 04, 2026.