Columbia subject headings:
Great Britain. Special Operations Executive.
World War, 1939-1945--Secret service--Great Britain.
World War, 1939-1945--Women--Great Britain.
Harvard subject headings:
Great Britain. Special Operations Executive--Biography.
Women intelligence officers--Great Britain--Biography.
World War, 1939-1945--Secret service--Great Britain.
World War, 1939-1945--Women--Great Britain.
Princeton subject headings:
Great Britain. Special Operations Executive
World War, 1939-1945--Secret service--Great Britain.
World War, 1939-1945--Women--Great Britain.