Columbia subject headings:
European Union countries--Economic policy.
European Union countries--Politics and government.
European Union countries--Social policy.
European Union.
Regional planning--European Union countries.
Harvard subject headings:
European Union
European Union countries--Economic policy.
European Union countries--Politics and government.
European Union countries--Social policy.
Regional planning--European Union countries.
Princeton subject headings:
European Union countries--Economic policy.
European Union countries--Politics and government.
European Union countries--Social policy.
European Union.
Regional planning--European Union countries.