Brainwashing 4 (5 folders) and Brainwashing 5 (5 folders), Box: 27. Edward M. Greb personal library on government, politics, economics, and history, RH WL MS 29. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/51733 Accessed April 24, 2025.