Columbia subject headings:
Civilization, Modern--French influences--Congresses.
French language--Political aspects--Foreign countries--Congresses.
French-speaking countries--Relations--Congresses.
International relations--Congresses.
Harvard subject headings:
Civilization, Modern--French influences--Congresses.
French language--Political aspects--Foreign countries--Congresses.
French-speaking countries--Relations--Congresses.
International relations--Congresses
Princeton subject headings: