Bonanza Air Lines, Inc.. "Bonanza Air Lines Annual Report 1961." Delta Flight Museum. 1962, https://dlg.galileo.usg.edu/do:delta_bal-ar_bal-ar-1961.

Bonanza Air Lines, Inc. (1962). Bonanza Air Lines Annual Report 1961. Retrieved from https://dlg.galileo.usg.edu/do:delta_bal-ar_bal-ar-1961

Bonanza Air Lines, Inc.. "Bonanza Air Lines Annual Report 1961." 1962. May 17, 2026. https://dlg.galileo.usg.edu/do:delta_bal-ar_bal-ar-1961.