United States Air Force
MORRIS, Danny & HESS, Bill
Aces and Wingmen II - Men, machines and units of the United States Army Air Force, Eighth Fighter Command and 354th Fighter Group, Ninth Air Force 1943-5
Volumes One & Two
NALTY, Bernard C.
Winged Shield, Winged Sword
A History of the United States Air Force - Volumes I & II
Detailed history of the US Air Force first published in 1997:
Volume I: 1907 - 1950;
Volume II: 1950 - 1997.