"Foreword: Applied Philosophy", Philosophers at Work: An Introduction to the Issues and Practical Uses of Philosophy, ed. Elliot D. Cohen, New York: Holt, Rinehart and Winston, 1998

"Foreword: Applied Philosophy", Philosophers at Work: An Introduction to the Issues and Practical Uses of Philosophy, ed. Elliot D. Cohen, New York: Holt, Rinehart and Winston, 1998, Box: 14, Folder: 20. 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/315426 Accessed March 03, 2026.