The World Encyclopedia of Military Helicopters: Featuring over 80 helicopters with 500 historical and modern photographs
An Illustrated A-Z Directory of Military Helicopters: Featuring over 80 helicopters shown in more than 300 historical and modern photographs
Helicopters: Military (Aviation Factfile (Chartwell Books))
Weapons of War Modern Fighter Aircraft 1945-Present
Helicopters, 1948-1998 : A Contemporary History
The Encyclopedia of Modern Warplanes: The Development and Specifications of All Active Military Aircraft
Choppers! (Step into Reading)
Tanks and Armored Fighting Vehicles Visual Encyclopedia
American Military Aircraft: A Century of Innovation (Aviation Fact File)