Class key-- wooden key on which a small piece of paper is affixed for each class listing the senior class' officers, class of 1928-1929 to class of 1947-1948, Box: 2, item: 1. Sumner High School records, RH MS 1137. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/202930 Accessed April 16, 2024.