Columbia subject headings:
Cort, Henry, 1740-1800.
Metallurgists--Great Britain--Biography.
Puddling--History.
Harvard subject headings:
Cort, Henry, 1740-1800.
Metallurgists--Great Britain--Biography.
Puddling--History.
Princeton subject headings:
Cort, Henry, 1740-1800.
Iron--Metallurgy.
Puddling--History.