Kansas - William C. Chamberlin's sons [oversize document removed to RH MS Q390 folder 2], 1927 - 1945, Box: 1, Folder: 9. William Charles Chamberlin papers, RH MS 1080. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/195912 Accessed March 14, 2025.