Columbia subject headings:
France--History--German occupation, 1940-1945.
World War, 1939-1945--Military intelligence--France.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Underground movements--Switzerland.
Harvard subject headings:
Princeton subject headings:
France combattante. Bureau central de renseignements et d'action
France--History--German occupation, 1940-1945.
World War, 1939-1945--Military intelligence--France.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Underground movements--Switzerland.