Renewing the mind: the key to transformation [chapters 3, 4, and 11], [no date] [photocopy], Box: 2, Folder: 68, item: 68.1. Verlean Tidwell family papers, RH MS 1286. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/201261 Accessed November 22, 2024.