Columbia subject headings:
World War, 1914-1918--Campaigns--Atlantic Ocean.
World War, 1914-1918--Campaigns--Mediterranean Sea.
World War, 1914-1918--Naval operations.
Harvard subject headings:
World War, 1914-1918--Campaigns--Atlantic Ocean
World War, 1914-1918--Campaigns--Mediterranean Sea
World War, 1914-1918--Naval operations
Princeton subject headings:
World War, 1914-1918--Campaigns--Atlantic Ocean.
World War, 1914-1918--Campaigns--Mediterranean Sea.
World War, 1914-1918--Naval operations.