"Betty Chambers, W-3 Tours Lockheed Plant"(PDF). The Avenger: News from the "Mother-Hive" of the Army WASP's. Vol. 1, no. 19. Avenger Field, Sweetwater, Texas. 19 May 1944. p. 3. Archived from the original(PDF) on 4 November 2016. Retrieved 2 November 2016 – via Women Air Service Pilots Digital Archive at Texas Woman's University.
"Betty Chambers, W-3 Tours Lockheed Plant"(PDF). The Avenger: News from the "Mother-Hive" of the Army WASP's. Vol. 1, no. 19. Avenger Field, Sweetwater, Texas. 19 May 1944. p. 3. Archived from the original(PDF) on 4 November 2016. Retrieved 2 November 2016 – via Women Air Service Pilots Digital Archive at Texas Woman's University.