1st edition. Holmes, Tony. American Eagles: American Volunteers in the R.A.F., 1937–1943. Classic Publications, 2001. . Kershaw, Alex. The Few. Da Capo Press, 2006. . Morris, John T. The Lives of an American Eagle. Mulberry River Press, 1999. . Nelson, Kenneth James, CD. Spitfire RCW: The Wartime Exploits of Wing Commander Royce Clifford Wilkinson OBE, DFM & Bar, C.de G.(France). Hignall Printing Ltd., 1994. Sweeny, Charles and Colonel James A. Goodson. Sweeny: The autobiography of Charles Sweeny. Harrop Press Ltd., 1990. . External links Peter Provenzano: A Digital Memoir of World War II as a Pilot in the RAF and USAAF List of Eagle Squadron Aces RAF Eagle Squadron (historic video) Eagle Squadrons at RAF North Weald, UK Eagle Squadron pilots buried at Brookwood Military Cemetery & Charles Sweeny's grave marker Eagle Squadrons became the USAAF 4th Fighter Group on 29 September 1942 Expatriate military units and formations Fighter squadrons of the Royal Air Force in World War II Military units and formations established in 1940 Military units and formations disestablished in 1942 United Kingdom–United States military relations