Columbia subject headings:
Harvard subject headings:
Comparative literature--French and Portuguese--Congresses.
Comparative literature--Portuguese and French--Congresses.
French literature--History and criticism--Congresses
French literature--Study and teaching--Portugal--Congresses.
Princeton subject headings:
French literature--Appreciation--Portugal--Congresses.
French literature--History and criticism--Congresses.
Portuguese literature--French influences--Congresses.