"Marxism, Existentialism and Man", "Soviet Concept of Man and Western Philosophical Tradition", notes, undated

"Marxism, Existentialism and Man", "Soviet Concept of Man and Western Philosophical Tradition", notes, undated, Box: 27, Folder: 27. 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/316174 Accessed March 07, 2026.