Keski-suomen ilmailumuseo Tikkakoski Wat is dat voor een vliegtuig?1962 Taschenbuch der Luftflotten 1976 Erganzungsband 1955/57 zum taschenbuch der luftfahrt 1954 Observer's book of aircraft ; 1954 Observer's book of aircraft ; 1957 Observer's book of aircraft ; 1958 Observer's book of aircraft ; 1959 Observer's book of aircraft ; 1960 Observer's world aircraft directory ; 1961 Observer's book of aircraft ; 1962 Observer's book of aircraft ; 1963