Columbia subject headings:
Harvard subject headings:
France. Conseil d'État--History--20th century--Congresses.
World War, 1914-1918--France--Congresses.
Princeton subject headings:
France--History--1914-1940--Congresses.
France. Conseil d'État--History--Congresses.
World War, 1939-1945--Law and legislation--France--Congresses.