Columbia subject headings:
Bridges--France--Paris--History.
Central business districts--France--Paris--History.
Pont Notre Dame (Paris, France)--History.
Harvard subject headings:
Bridges--France--Paris.
City planning--France--Paris
Paris (France)--Buildings, structures, etc.
Pont Notre Dame (Paris, France)
Pont Notre Dame (Paris, France)--History.
Princeton subject headings:
Bridges--France--Paris.
Pont Notre Dame (Paris, France)