Columbia subject headings:
Harvard subject headings:
English language--Study and teaching--Foreign speakers--Congresses
English language--Study and teaching--Italian speakers--Congresses.
English language--Study and teaching--Italy--Congresses.
Language acquisition--Congresses.
Language and languages--Study and teaching--Congresses
Princeton subject headings:
English language--Study and teaching--Foreign speakers--Congresses.
Language acquisition--Congresses.
Language and languages--Study and teaching--Congresses.