Columbia subject headings:
Harvard subject headings:
Knights of Malta--History--18th century.
Malta--History, Naval--18th century.
Malta--History--1530-1798.
Warships--Malta--History--18th century.
Princeton subject headings:
Knights of Malta--History--18th century.
Malta--History, Naval--18th century.
Malta--History--1530-1798.
Warships--Malta--History--18th century.