Columbia subject headings:
Airborne troops.
Great Britain. Royal Air Force--Airborne troops.
World War, 1939-1945--Aerial operations, British.
Harvard subject headings:
Gliders (Aeronautics)
Great Britain. Army. Glider Pilot Regiment--History.
World War, 1939-1945--Aerial operations
Princeton subject headings:
Airborne troops.
Great Britain. Royal Air Force--Airborne troops.
World War, 1939-1945--Aerial operations, British.