Yearbooks, Bluebird, 1929, 1948, 1950, 1951, 1957, 1958, 1959, 1960, 1961, 1962, 1963, Box: 16, Volume: 1-11. Voth, Unruh, and Banman families collection, RH MS 1455. University of Kansas. Kenneth Spencer Research Library. https://archives.lib.ku.edu/repositories/3/archival_objects/375196 Accessed September 09, 2024.