Columbia subject headings:
Democracy--European Union countries.
European Union countries--Politics and government.
European Union countries--Social policy.
European Union.
Harvard subject headings:
Democratization--European Union countries.
Europe--Politics and government.
European Union
European Union countries--Economic integration.
Social integration--European Union countries.
Princeton subject headings:
Democracy--European Union countries.
European Union countries--Politics and government.
European Union countries--Social policy.
European Union.