"Blanshard's Political Philosophy", The Philosophy of Brand Blanshard (Library of Living Philosophers, XV), ed. Arthur Schilpp, La Salle, Illinois: Open Court, pp. 380-401, 1980, Box: 13, Folder: 53. 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/315386 Accessed June 19, 2025.