Columbia subject headings:
Harvard subject headings:
Portuguese language--Study and teaching--Congresses.
Portuguese literature--Study and teaching--Congresses.
Spanish language--Study and teaching--Congresses.
Spanish literature--Study and teaching--Congresses.
Princeton subject headings:
Portuguese language--Study and teaching--Congresses.
Portuguese literature--Study and teaching--Congresses.
Spanish language--Study and teaching--Congresses.
Spanish literature--Study and teaching--Congresses.