Columbia subject headings:
Harvard subject headings:
Romance languages--Morphosyntax--Congresses.
Romance languages--Pronunciation--Congresses.
Romance languages--Study and teaching--Congresses.
Romance languages--Vocabulary--Congresses.
Princeton subject headings:
Romance languages--Morphosyntax--Congresses.
Romance languages--Pronunciation--Congresses.
Romance languages--Study and teaching--Congresses.
Romance languages--Vocabulary--Congresses.