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Brew, Alex. The Turret Fighters - Defiant and Roc. Ramsbury, Marlborough, Wiltshire, UK: Crowood Press, 2002. ISBN 1-86126-497-6.
Brew, Alex. The Defiant File. Tonbridge, Kent, UK: Air-Britain (Historians) Ltd., 1996. ISBN 0-85130-226-2.
Buttler, Tony. British Secret Projects: Fighters & Bombers 1935-1950. Hinckley, UK: Midland Publishing, 2004. ISBN 1-85780-179-2.
Green, William. War Planes of the Second World War: Fighters, Vol. 2. London: Macdonald & Co., 1961. No ISBN.
Green, William and Gordon Swanborough. WW2 Aircraft Fact Files: RAF Fighters, Part 1. London: Macdonald and Jane's Publishing Ltd., 1978. ISBN 0-354-01090-5.
Hall, Alan W. and Andrew Thomas. Boulton Paul Defiant (Warpaint Series No. 42). Luton, Bedfordshire, UK: Warpaint Books, 2003. ISBN X99990042X .
Mondey, David. The Hamlyn Concise Guide to British Aircraft of World War II. London: Chancellor Press, 2002. ISBN 1-85152-668-4.
Nijboer, Donald. Gunner: An Illustrated History of World War II Aircraft Turrets and Gun Ppositions. Shrewsbury, UK: Airlife Publishing Company Limited and reprinted by Boston Mills Press (Canada), 2001. ISBN 1-84037-304-0.
Price, Alfred. Instruments of Darkness: The History of Electronic Warfare. St. Albans, UK: Granada, 1979. ISBN 0-586-04834-0.
Taylor, John W.R. "Boulton Paul Defiant." Combat Aircraft of the World from 1909 to the present. New York: G.P. Putnam's Sons, 1969. ISBN 0-425-03633-2.
Whitehouse, Les. "The Disappointing Defiant." AirEnthusiast Five, November 1977–February 1978. Bromley, Kent, UK: Pilot Press Ltd., 1977.
Winchester, Jim. "Boulton Paul Defiant." The World's Worst Aircraft: From Pioneering Failures to Multimillion Dollar Disasters. London: Amber Books Ltd., 2005. ISBN 1-904687-34-2.
