Columbia subject headings:
Harvard subject headings:
Admirals--Great Britain--Biography
Cockburn, George, Sir, 1772-1853.
Great Britain--History, Naval--19th century
Great Britain. Royal Navy--Biography.
Princeton subject headings:
Admirals--Great Britain--Biography.
Cockburn, George, Sir, 1772-1853.
Great Britain--History, Naval--19th century.
Great Britain. Royal Navy--Biography.