Columbia subject headings:
Citizenship--European Union countries.
European Union--Sociological aspects.
Europeans--Ethnic identity.
Harvard subject headings:
Citizenship--European Union countries
Citizenship--European Union countries--Congresses.
Civil society--European Union countries--Congresses.
European Union countries--Politics and government--Congresses.
European Union--Sociological aspects.
Europeans--Ethnic identity.
Princeton subject headings: