Eitemau Tebyg: Royal Air Force manual :
- Royal air force manual flying volume A the principles of flight /
- Royal air force manual flying vol.- D (aircraft instruments and instrument systems) /
- Flight without formulae: how and why an aeroplane flies explained in simple language /
- Flight without formulae: how and why an aeroplane flies explained in simple language /
- Automatic flight control /
- Automatic control of aircraft and missiles /