Columbia subject headings:
Harvard subject headings:
France, Southern--Civilization--Congresses.
Occitan philology--Congresses.
Provençal philology--Congresses.
Troubadours--Congresses.
Princeton subject headings:
France, Southern--Civilization--Congresses.
France, Southern--Languages--Congresses.
France, Southern--Literatures--History and criticism--Congresses.
Occitan philology--Congresses.
Toulouse (France)--Civilization--Congresses.
Troubadours--France--Toulouse--Congresses.