Columbia subject headings:
Europe, Central--Civilization--French influences--Congresses.
Europe, Central--Relations--France--Congresses.
France--Relations--Europe, Central--Congresses.
Harvard subject headings:
Europe, Central--Civilization--French influences--Congresses.
Europe, Central--Relations--France--Congresses.
France--Relations--Europe, Central--Congresses.
Princeton subject headings:
Europe, Central--Civilization--French influences--Congresses.
Europe, Central--Relations--France--Congresses.
France--Relations--Europe, Central--Congresses.