Columbia subject headings:
Harvard subject headings:
English language--Political aspects--European Union countries--Congresses.
European Union countries--Languages--Law and legislation--Congresses.
Language and languages--Political aspects--Congresses
Language policy--European Union countries--Congresses.
Law--European Union countries--Language--Congresses.
Multilingualism--Political aspects--European Union countries--Congresses.
Princeton subject headings:
English language--Political aspects--European Union countries--Congresses.
European Union countries--Languages--Law and legislation--Congresses.
Language and languages--Political aspects--Congresses.
Language policy--European Union countries--Congresses.
Law--European Union countries--Language--Congresses.
Multilingualism--Political aspects--European Union countries--Congresses.