Columbia subject headings:
Harvard subject headings:
France--History--German occupation, 1940-1945.
Great Britain. Special Operations Executive
Women spies--Great Britain.
World War, 1939-1945--Secret service--Great Britain.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Women--France.
World War, 1939-1945--Women--Great Britain.
Princeton subject headings:
Great Britain. Special Operations Executive
Women soldiers.
World War, 1939-1945--Women.