Columbia subject headings:
Harvard subject headings:
Bombers--Great Britain--History.
Great Britain. Royal Air Force. Bomber Command
Great Britain. Royal Air Force. Bomber Command--History.
World War, 1939-1945--Aerial operations, British.
Princeton subject headings:
Fighter planes--Great Britain--Registers.
Great Britain. Royal Air Force. Bomber Command--Registers.
World War, 1939-1945--Aerial operations, British.