Jenkins, Dennis R. and Tony R. Landis. Experimental and Prototype U.S. Air Force Jet Fighters. North Branch, Minnesota: Specialty Press, 2008. ISBN 978-1-58007-111-6.
Pape, Garry and John Campbell. Northrop Flying Wings. Atglen, Pennsylvania, Schiffer Publications, 1995, ISBN 0-88740-689-0.
Winchester, Jim. The World's Worst Aircraft: From Pioneering Failures to Multimillion Dollar Disasters. London: Amber Books Ltd., 2005. ISBN 1-904687-34-2.
