Columbia subject headings:
Germany. Kriegsmarine.
Ordnance, Naval.
World War, 1939-1945--Naval operations, German.
Harvard subject headings:
Germany. Kriegsmarine.
Ordnance, Naval.
World War, 1939-1945--Naval operations, German.
Princeton subject headings:
Germany. Kriegsmarine
Ordnance, Naval.
World War, 1939-1945--Naval operations, German.