Columbia subject headings:
Harvard subject headings:
Education, Bilingual--Europe--Congresses.
Languages, Modern--Study and teaching--Europe--Congresses.
Multicultural education--Europe--Congresses.
Multilingualism--Study and teaching--Europe--Congresses.
Princeton subject headings:
Education, Bilingual--Europe--Congresses.
Languages, Modern--Study and teaching--Europe--Congresses.
Multicultural education--Europe--Congresses.
Multilingualism--Europe--Study and teaching--Congresses.