Columbia subject headings:
Confederate States of America. Navy--History.
United States--History--Civil War, 1861-1865--Naval operations.
United States. Navy--History.
Warships--Confederate States of America.
Warships--United States.
Harvard subject headings:
Confederate States of America. Navy--History.
United States--History--Civil War, 1861-1865
United States--History--Civil War, 1861-1865--Naval operations.
Warships--Confederate States of America--History.
Warships--United States--History--19th century.
Princeton subject headings:
Confederate States of America. Navy--History.
United States--History--Civil War, 1861-1865--Naval operations.
United States. Navy--History.
Warships--Confederate States of America.
Warships--United States.