Columbia subject headings:
Harvard subject headings:
Languedoc (France)--Civilization--Congresses.
Pyrénées-Orientales (France)--Civilization--Congresses.
Wine districts--France--Languedoc--Civilization--Congresses.
Wine districts--France--Pyrénées-Orientales--Civilization--Congresses.
Princeton subject headings:
Viticulture--France--Languedoc--History--Congresses.
Viticulture--Spain--Catalonia--History--Congresses.
Wine and wine making--France--Languedoc--History--Congresses.
Wine and wine making--Spain--Catalonia--History--Congresses.