"Authority: A Bibliography", Authority: A Philosophical Analysis (ed. R. B. Harris), University, Alabama: Alabama University Press, pp. 141-170, 1976

"Authority: A Bibliography", Authority: A Philosophical Analysis (ed. R. B. Harris), University, Alabama: Alabama University Press, pp. 141-170, 1976, Box: 13, Folder: 38. 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/315371 Accessed December 25, 2025.