Columbia subject headings:
Industrial policy--Europe--History--20th century--Congresses.
Industrial policy--France--History--20th century--Congresses.
Industries--Europe--History--20th century--Congresses.
Industries--France--History--20th century--Congresses.
Harvard subject headings:
Industrial policy--Europe--History--20th century--Congresses.
Industrial policy--France--History--20th century--Congresses.
Industries--Europe--History--20th century--Congresses.
Industries--France--History--20th century--Congresses.
Princeton subject headings: