Columbia subject headings:
Harvard subject headings:
Cap Arcona (Ship)--History.
Ocean liners--Germany--History--20th century.
World War, 1939-1945--Atrocities.
World War, 1939-1945--Prisoners and prisons, German.
Princeton subject headings:
Cap Arcona (Ship)
Ocean liners--Germany.
Shipwrecks--Germany--Lübeck Bay--History--20th century.