Columbia subject headings:
Harvard subject headings:
Churchill, Winston, 1874-1965--Military leadership.
Great Britain--History, Military--20th century.
Gubbins, Colin, Sir, 1896-1976.
World War, 1939-1945--Secret service--Great Britain.
Princeton subject headings:
Churchill, Winston, 1874-1965--Military leadership.
Great Britain--History, Military--20th century.
Gubbins, Colin, Sir, 1896-1976.
Guerrilla warfare--Great Britain--History--20th century.
Sabotage--Great Britain--History--20th century.
World War, 1939-1945--Commando operations--Great Britain.
World War, 1939-1945--Military intelligence--Great Britain.
World War, 1939-1945--Underground movements--Great Britain.