Columbia subject headings:
Architecture--France--Paris Metropolitan Area--20th century.
Boulevard Périphérique (Paris, France)
Cities and towns--Interpretive programs--France--Paris Metropolitan Area.
City planning--France--Paris Metropolitan Area--History--20th century.
Harvard subject headings:
City planning--France--Paris
Roads--France--Paris.
Traffic engineering--France--Paris.
Princeton subject headings:
Architecture--France--Paris Metropolitan Area--20th century.
Boulevard Périphérique (Paris, France)
Cities and towns--Interpretive programs--France--Paris Metropolitan Area.
City planning--France--Paris Metropolitan Area--History--20th century.