Columbia subject headings:
Civil engineering--France--History--19th century--Congresses.
Civil engineering--France--History--20th century--Congresses.
Civil engineers--France--History--19th century--Congresses.
Civil engineers--France--History--20th century--Congresses.
Public works--France--History--19th century--Congresses.
Public works--France--History--20th century--Congresses.
Harvard subject headings:
Civil engineering--France--History--Congresses.
Construction projects--France--History--Congresses.
Ecole centrale des arts et manufactures (France)--History--Congresses.
Public works--France--History--Congresses.
Princeton subject headings: