Columbia subject headings:
Harvard subject headings:
Canada--History, Naval.
Canada. Royal Canadian Navy--History.
World War, 1914-1918--Naval operations, Canadian.
World War, 1914-1918--Naval operations, German
Princeton subject headings:
Canada--History, Naval.
Canada. Royal Canadian Navy--History.
World War, 1914-1918--Naval operations, Canadian.
World War, 1914-1918--Naval operations, German.