Observer's book of aircraft ; 1982 Observer's book of aircraft ; 1979 Air navigations : theory and practice Wat is dat voor een vliegtuig?1963 Man's Conquest of Space Wat is dat voor een vliegtuig?; Uitgave 1961 Flying Guns World War I: development of aircraft guns, ammunition and installations 1914-1932 World guide to combat planes two Flying guns: the modern era development of aircraft guns, ammunition and installations since 1945 Flying guns the development of aircraft guns, ammunition and installations 1933-1945 Air Forces of the World; Their History, Development and Present Strength Jane's pocket book 13; RPV's: Robot aircraft today
