Columbia subject headings:
France--History--Revolution, 1789-1799--Sources.
Iron industry and trade--France.
Steel industry and trade--France.
Harvard subject headings:
France--History--Reign of Terror, 1793-1794--Sources.
France--History--Revolution, 1789-1799--Sources.
Iron industry and trade--France
Iron industry and trade--France--History--18th century--Sources.
Steel industry and trade--France
Steel industry and trade--France--History--18th century--Sources.
Princeton subject headings:
France--History--Revolution, 1789-1799.
Iron industry and trade--France--History--18th century.
Steel industry and trade--France--History--18th century.