Columbia subject headings:
French language--Lexicography--History--Congresses.
Lexicography--Social aspects--Congresses.
Harvard subject headings:
French language--Lexicography--History--Congresses.
Lexicography--Social aspects--Congresses.
Princeton subject headings:
French language--Lexicography--History--Congresses.
Lexicography--Social aspects--Congresses.