Columbia subject headings:
Armored vessels--History--19th century.
Great Britain. Royal Navy--History--19th century.
Naval architecture--History--19th century.
Reed, Edward J. (Edward James), Sir, 1830-1906.
Harvard subject headings:
Armored vessels--History--19th century.
Great Britain. Royal Navy--History--19th century.
Naval architecture--History--19th century.
Reed, Edward J. (Edward James), Sir, 1830-1906.
Princeton subject headings: