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 Pri ce, A lfre d.  S p itf ire Mar k  I / I I Ac es  1 939– 41(A ircra ft o f  th e Aces12). Lond on: Ospr ey  B ooks, 1 996,.
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th edition)..
_Harvey, A._Collision of Empires: Britain_in Three_World_Wars, 1793–1945_London:_Hambledon Continuum, 2003._
 History of_Aircraft Lubricants. SAE International,_Society of Automotive_Engineers,_1997..
 Holmes, Tony. Spitfire vs Bf 109: Battle of Britain. Oxford, London: Osprey Publishing,_2007..
_Hooton, E.R._Luftwaffe_at_War: Blitzkrieg in the West,_Vol. 2, London: Chevron/Ian Allan,_2007..
 Lloyd,_Sir Ian and Pugh, Peter., Hives and the_Merlin._Cambridge : Icon_Books, 2004..
 Mankau, Heinz and Peter Petrick. Messerschmitt Bf_110, Me 210, Me 410. Raumfahrt,_Germany: Aviatic Verlag,_2001..
_Morgan,_Eric B. and Edward_Shacklady. Spitfire: The History. Stamford, UK:_Key Books Ltd, 2000..
 Olson, Lynne_and Stanley Cloud. A Question of Honor._The Kosciuszko Squadron: Forgotten Heroes of_World War II. New York:_Knopf, 2003..
_Overy, Richard. The Battle of_Britain: The Myth_and the_Reality. New York:_W.W. Norton, 2001 (hardcover, ); 2002_(paperback, ).
 Payton-Smith,_D J. Oil: A Study of_War-time_Policy and Administration._London:_Her_Majesty's Stationery_Office, 1971. (no_ISBN)_SBN 1-1630074-4
_Price,_Alfred. The Hardest Day: 18 August_1940._New York: Charles Scribner's Sons, 1980..
 Price,_Alfred. Spitfire Mark I/II_Aces_1939–41 (Aircraft of the_Aces 12). London: Osprey Books,_1996,.
 Price, Alfred. The Spitfire Story._London: Jane's_Publishing Company_Ltd., 1982..
 Price, Alfred. The Spitfire Story: Revised second edition. Enderby,_Leicester, UK: Siverdale Books, 2002.
 Prien,_Jochen and Peter Rodeike.Messerschmitt_Bf 109_F,G,_and K: An_Illustrated_Study. Atglen,_Pennsylvania: Schiffer Publishing, 1995..