"Authority and Morality", Authority (ed. F. Adelmann), The Hague: Nijhoff, pp. 31-49, 1974

"Authority and Morality", Authority (ed. F. Adelmann), The Hague: Nijhoff, pp. 31-49, 1974, Box: 13, Folder: 35. 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/315368 Accessed December 25, 2025.