Coba jelasin Daftar pustaka dari Lockheed Vega dong

Boyne, Walter J. Beyond the Horizons: The Lockheed Story. New York: St. Martin's Press, 1998. ISBN 0-312-19237-1.

Francillon, René J. Lockheed Aircraft since 1913. Annapolis: Naval Institute Press, 1987. ISBN 0-85177-835-6.

Allen, Richard Sanders. Revolution in the Sky: Those Fabulous Lockheeds, The Pilots Who Flew Them. Brattleboro, Vermont: The Stephen Greene Press, 1964.

Boyne, Walter J. Beyond the Horizons: The Lockheed Story. New York: St. Martin's Press, 1998. ISBN 0-312-19237-1.

Francillon, René J. Lockheed Aircraft since 1913. Annapolis, Maryland: Naval Institute Press, 1987. ISBN 0-85177-835-6.

Smith, Elinor. Aviatrix. New York: Harcourt Brace Jovanovich, 1981. ISBN 0-15-110372-0.

"Wiley Post seeks New Record" Popular Mechanics, October 1934 pp. 492–494. Drawing of Winnie May modified for high altitude record attempt