Columbia subject headings:
Harvard subject headings:
Language and languages--Study and teaching--Congresses
Languages, Modern--Study and teaching--Congresses
Romance languages--Study and teaching--Congresses.
Second language acquisition--Congresses.
Princeton subject headings:
Language and languages--Study and teaching--Congresses.
Languages, Modern--Study and teaching--Congresses.
Romance languages--Study and teaching--Congresses.
Second language acquisition--Congresses.