Columbia subject headings:
Europe--History, Military--1492-1648.
Naval history.
harles V, Holy Roman Emperor, 1500-1558.
Harvard subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Spain--History, Naval--16th century.
Spain. Sovereign (1516-1556 : Charles I)
Princeton subject headings:
Charles V, Holy Roman Emperor, 1500-1558.
Spain--History, Naval--16th century.
Spain. Sovereign (1516-1556 : Charles I)