Barnes, Ron. Coronation Cups and Jam Jars. London: Centerprise Publishers, 1976

Barnes, Ron. Coronation Cups and Jam Jars. London: Centerprise Publishers, 1976, Box: 8, Volume: 35. Midwest Distributors records, RH MS 949. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/574391 Accessed March 05, 2026.