Dutch Naval Air Force against Japan: Defense of the Netherlands East Indies, 1941-1942 KLu Airpower Doctrine role of European Ground and Air Forces after the Cold War Air Enthusiast Forty Air enthusiast forty-one Early airplanes flying book : the aviation world who's who and industrial directory Aircraft of the National Air and Space Museum Observer's book of aircraft ; 1954 Observer's book of aircraft ; 1957 Observer's book of aircraft ; 1958 Observer's book of aircraft ; 1959