Columbia subject headings:
Europe, Western--History, Naval.
Mediterranean Region--History, Naval.
Naval art and science--Europe, Western--History--To 1500.
Naval art and science--Mediterranean Region--History--To 1500.
Naval battles--Europe, Western--History--To 1500.
Naval battles--Mediterranean Region--History--To 1500.
Ships, Medieval--Europe, Western--History--To 1500.
Ships, Medieval--Mediterranean Region--History--To 1500.
Harvard subject headings:
Europe, Western--History, Naval.
Mediterranean Region--History, Naval.
Naval art and science--Europe, Western--History--To 1500.
Naval art and science--Mediterranean Region--History--To 1500.
Naval battles--Europe, Western--History--To 1500.
Naval battles--Mediterranean Region--History--To 1500.
Ships, Medieval--Europe, Western--History--To 1500.
Ships, Medieval--Mediterranean Region--History--To 1500.
Princeton subject headings:
Europe, Western--History, Naval.
Mediterranean Region--History, Naval.
Naval art and science--Europe, Western--History--To 1500.
Naval art and science--Mediterranean Region--History--To 1500.
Naval battles--Europe, Western--History--To 1500.
Naval battles--Mediterranean Region--History--To 1500.
Ships, Medieval--Europe, Western--History--To 1500.
Ships, Medieval--Mediterranean Region--History--To 1500.