Grumman-profile for the seventies S2F Grumman Tracker in action F-14 Tomcat Hawker Siddeley Harrier : a technical description and engineering appraisal of the first operational jet V/STOL tactical weapons system F-16 A & B Fighting Falcon Hawker Hunter F.1/T.66 in Royal Air Force & Foreign Service Hawker Hunter MK.I/IV in Royal Air Force & Foreign Service Hawker Sea Fury in action Heinkel He111 : a documentary history Jane's aircraft spectacular : Hercules Koolhoven FK-51 : Het -in Nederland- meest gebouwde Koolhoven vliegtuig Vliegend in Nederland : Lockheed T-33A