Columbia subject headings:
Harvard subject headings:
European Union countries--Economic integration.
European Union countries--Economic policy.
European Union countries--Emigration and immigration--Government policy.
European Union countries--Politics and government.
European Union countries--Social policy.
Right-wing extremists--European Union countries.
Treaty on European Union Protocols, etc.
Princeton subject headings:
Assimilation (Sociology)--Economic aspects--Europe.
Assimilation (Sociology)--Political aspects--Europe.