Manuscript by Morris L. Bigge: “The Harmonies and Conflicts of Principles of Topological and Vector Psychology with the Tenets of Three Educational Philosophies”, Chapters 1-5, Box: 1, Folder: 14-18. Personal papers of Ernest Bayles, PP 220. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/175941 Accessed January 04, 2025.