Columbia subject headings:
Bridges--France--Paris--History.
Paris (France)--Buildings, structures, etc.
Harvard subject headings:
Bridges in art.
Bridges--France--Paris--Pictorial works.
Documentary photography--France--Paris.
Paris (France)--Buildings, structures, etc.--Pictorial works.
Princeton subject headings:
Bridges--France--Paris--History.
Paris (France)--Buildings, structures, etc.