Columbia subject headings:
Harvard subject headings:
Great Britain--History--George VI, 1936-1952.
Guided missiles--History.
V-2 rocket.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Great Britain.
Princeton subject headings:
Great Britain--History--George VI, 1936-1952.
Guided missiles--History.
V-2 rocket.
World War, 1939-1945--Aerial operations, German.
World War, 1939-1945--Great Britain.