"Read Marx Instead", Problems of Communism, XXII, pp. 72-74, 1973

"Read Marx Instead", Problems of Communism, XXII, pp. 72-74, 1973, Box: 13, Folder: 26. 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/315359 Accessed November 08, 2025.