Military Helicopter Handbook 2000; The international guide to the Military Helicopter industry helicopters World's Helicopters Modern Military Helicopters illustrated history of Helicopters Jane's pocket book 20; Helicopters Jolly Green Giants; US Combat Helicopters Helicopter, An Illustrated History Helicopters Airmobile : the Helicopter War in Vietnam Defence Helicopter World : volume 2 number 1 Defence Helicopter World : volume 2 number 2
