Columbia subject headings:
Harvard subject headings:
Battleships--Great Britain--History--19th century.
Great Britain--History, Naval--19th century
Great Britain. Royal Navy--History--19th century.
Naval architecture--History--19th century.
Naval art and science--Great Britain--History--19th century.
Ships, Wooden--Great Britain--History--19th century.
Princeton subject headings:
Battleships--Great Britain--History.
Great Britain. Royal Navy--History--19th century.