"The Philosopher's Guide" book: correspondence, entry for The Philosopher's Index, Regents Press of Kansas booklet, reviews, 1980 - 1981

"The Philosopher's Guide" book: correspondence, entry for The Philosopher's Index, Regents Press of Kansas booklet, reviews, 1980 - 1981, Box: 24, Folder: 23. 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/316027 Accessed March 04, 2026.