Columbia subject headings:
Civilization, Medieval--Congresses.
Civilization, Modern--Congresses.
Decadence in literature--Congresses.
Harvard subject headings:
Civilization, Medieval--Congresses
Civilization, Modern--Congresses
Decadence in literature--Congresses.
Princeton subject headings:
Civilization, Medieval--Congresses.
Civilization, Modern--Congresses.
Decadence in literature--Congresses.
French literature--History and criticism--Congresses.