^Herman, Arthur. Freedom's Forge: How American Business Produced Victory in World War II, pp. 291-6, 301-7, 332-3, Random House, New York, NY, 2012. ISBN978-1-4000-6964-4.
^Herman, Arthur. Fredom's Forge: How American Business Produced Victory in World War II, pp. 291-6, Random House, New York, NY, 2012. ISBN978-1-4000-6964-4.
Further reading
Geer, Mary Wells. Boeing's Ed Wells. Seattle: University of Washington Press, 1992. ISBN0-295-97204-1.
Serling, Robert J. Legend & Legacy: The Story of Boeing and its People. New York: St. Martin's Press, 1992. ISBN0-312-05890-X.