Columbia subject headings:
Civil engineering--France--Paris--History--19th century.
Civil engineering--France--Paris--History--20th century.
Paris (France)--Buildings, structures, etc.
Paris (France)--History.
Harvard subject headings:
Civil engineering--France--Paris--History--19th century.
Civil engineering--France--Paris--History--20th century.
Paris (France)--Buildings, structures, etc.
Paris (France)--History.
Princeton subject headings:
City planning--France--Paris.
Engineers--France--Paris.
Urban beautification--France--Paris.