Columbia subject headings:
Harvard subject headings:
Beevor, J. G. (John Grosvenor)
Great Britain. Special Operations Executive
Intelligence service--Great Britain.
World War, 1939-1945--Personal narratives, British.
World War, 1939-1945--Underground movements.
Princeton subject headings:
Great Britain. Special Operations Executive
World War, 1939-1945--Secret service--Great Britain.