* Craven, Wesley, and James Cate, eds. ''The Army Air Forces in World War II.'' (1958). Official history in 7 vol; [http://www.ibiblio.org/hyperwar/AAF/I/index.html Vol. 1, Plans and Early Operations, January 1939 to August 1942'' online edition] | * Craven, Wesley, and James Cate, eds. ''The Army Air Forces in World War II.'' (1958). Official history in 7 vol; [http://www.ibiblio.org/hyperwar/AAF/I/index.html Vol. 1, Plans and Early Operations, January 1939 to August 1942'' online edition] |