Columbia subject headings:
Germany--History, Naval--20th century.
Germany. Kriegsmarine--History--20th century.
Hitler, Adolf, 1889-1945--Military leadership.
Sea-power--Germany--History--20th century.
Harvard subject headings:
Germany--History, Naval--20th century
Germany. Kriegsmarine--History--20th century.
Hitler, Adolf, 1889-1945--Military leadership.
Sea-power--Germany--History--20th century.
Princeton subject headings:
Germany--History, Naval--20th century.
Germany. Kriegsmarine--History--20th century.
Hitler, Adolf, 1889-1945--Military leadership.
Sea-power--Germany--History--20th century.
World War, 1939-1945--Naval operations, German.