Columbia subject headings:
Harvard subject headings:
Great Britain. Army--Airborne troops--History.
Great Britain. Army--Parachute troops--History.
Great Britain. Army. Air Corps--History.
World War, 1939-1945--Aerial operations, British.
Princeton subject headings:
Great Britain. Army--Airborne troops--History.
Great Britain. Army--Parachute troops--History.
Great Britain. Army. Air Corps--History.
World War, 1939-1945--Aerial operations, British.