"Morality and the Builders of Communism", "Value Theory in Soviet Philosophy: A Western Confrontation", correspondence, notes, 1963 - 1966

"Morality and the Builders of Communism", "Value Theory in Soviet Philosophy: A Western Confrontation", correspondence, notes, 1963 - 1966, Box: 27, Folder: 28. 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/316175 Accessed March 07, 2026.