In November 1942, Doolittle led the U.S. Twelfth Air Force into North Africa, and in November 1943 he headed the Fifteenth Air Force in Italy. In January 1944, he took command of the Eighth Air Force in Britain, which he controlled until V‐E Day. His promotion of aggressive fighter escort tactics gained the Americans air superiority over Germany. After the war, he served on numerous government commissions.
Lowell Thomas and and Edward Jablonski , Doolittle: A Biography, 1976.
James H. Doolittle, with and Carroll V.
Glines , I Could Never Be So Lucky Again: An Autobiography by General James H. “Jimmy” Doolittle, 1991.
Richard G. Davis
"Doolittle, James." The Oxford Companion to American Military History. . Encyclopedia.com. (August 17, 2018). http://www.encyclopedia.com/history/encyclopedias-almanacs-transcripts-and-maps/doolittle-james
"Doolittle, James." The Oxford Companion to American Military History. . Retrieved August 17, 2018 from Encyclopedia.com: http://www.encyclopedia.com/history/encyclopedias-almanacs-transcripts-and-maps/doolittle-james