Columbia subject headings:
Harvard subject headings:
Anthropological linguistics--Europe--Congresses.
Democracy--European Union countries--Congresses.
Europe--Languages--Political aspects--Congresses.
European Union countries--Languages--Political aspects--Congresses.
Liberty--Congresses
Solidarity--European Union countries--Congresses.
Princeton subject headings:
Anthropological linguistics--Europe--Congresses.
Europe--Languages--Political aspects--Congresses.