Columbia subject headings:
Bridges--France--Design and construction.
Bridges--France--History--18th century.
Bridges--France--History--19th century.
Harvard subject headings:
Bridges--France--Design and construction.
Bridges--France--History--18th century.
Bridges--France--History--19th century.
Princeton subject headings:
Bridges--Design and construction--History--18th century.
Bridges--Design and construction--History--19th century.
Bridges--France--Design and construction--History.