Columbia subject headings:
Harvard subject headings:
Forge shops--France--Guérigny--History--19th century.
Forges de la Chaussade (Guérigny, France)
France. Marine--History--19th century.
Industrial policy--France--History--19th century.
Iron foundries--France--Guérigny--History--19th century.
Shipyards--France--Guérigny--History--19th century.
Warships--France--Design and construction--History--19th century.
Princeton subject headings:
Forge shops--France--Guérigny--History--19th century.
Forges de la Chaussade (Guérigny, France)--History--19th century.
Forging industry--France--History--19th century.
France. Marine--History--19th century.
Industrial policy--France--History--19th century.
Iron foundries--France--Guérigny--History--19th century.
Shipyards--France--Guérigny--History--19th century.
Warships--France--Design and construction--History--19th century.