Columbia subject headings:
Harvard subject headings:
World War, 1939-1945--Communications.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Women--France.
Princeton subject headings:
World War, 1939-1945--Communications.
World War, 1939-1945--Underground movements--France.
World War, 1939-1945--Women--France.