American Philosophical Association: list of past presidents, stationary, correspondence, ballots, 1991

American Philosophical Association: list of past presidents, stationary, correspondence, ballots, 1991, Box: 17, Folder: 62. 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/315684 Accessed March 12, 2026.