Columbia subject headings:
Harvard subject headings:
France. Marine--History--World War, 1939-1945.
World War, 1939-1945--Naval operations, French.
World War, 1939-1945--Naval operations--Submarine.
Princeton subject headings:
France. Marine--History--World War, 1939-1945.
World War, 1939-1945--Naval operations, French.
World War, 1939-1945--Naval operations--Submarine.