Chapter 18: Quality of Life and Public Philosophy, H.R. Turnbull and Brunk in Quality of Life: Perspective and Issues, Box: 9, Folder: 32. Personal papers of Rud Turnbull, PP 511. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/305179 Accessed June 20, 2025.