Columbia subject headings:
Harvard subject headings:
French language--Africa--Syntax--Congresses.
French language--Canada--Syntax--Congresses.
French language--Spoken French--Africa--Congresses.
French language--Spoken French--Canada--Congresses.
French language--Variation--Congresses.
Princeton subject headings:
French language--Africa--Syntax--Congresses.
French language--Canada--Syntax--Congresses.
French language--Spoken French--Africa--Congresses.
French language--Spoken French--Canada--Congresses.
French language--Variation--Congresses.