John Haskell Kemble Collection of Airline Ephemera, HMC-Mss-0005. 04 - Harvey Mudd College.
John Haskell Kemble Collection of Airline Ephemera, HMC-Mss-0005. 04 - Harvey Mudd College. https://claremont.as.atlas-sys.com/repositories/8/resources/1106 Accessed March 29, 2024.