"Neither the Hammer and Sickle Nor the Eye of the Needle: One Hundred Years of Catholic Social Thought on Economic Systems", Catholic Social Thought and the New World Order: Building on One Hundred Years, ed. by Oliver F. Williams and John W. Houck; Notre Dame: University of Notre Dame Press, pp. 127-146, 1993

"Neither the Hammer and Sickle Nor the Eye of the Needle: One Hundred Years of Catholic Social Thought on Economic Systems", Catholic Social Thought and the New World Order: Building on One Hundred Years, ed. by Oliver F. Williams and John W. Houck; Notre Dame: University of Notre Dame Press, pp. 127-146, 1993, Box: 14, Folder: 50. 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/315456 Accessed March 03, 2026.