Columbia subject headings:
European Union countries--Foreign relations--Great Britain.
European Union.
Great Britain--Foreign relations--European Union countries.
Harvard subject headings:
European Union
European Union countries--Foreign relations--Great Britain.
Great Britain--Foreign relations--European Union countries.
Princeton subject headings:
European Union countries--Foreign relations--Great Britain.
European Union countries--Politics and government--21st century.
European Union.
Great Britain--Foreign relations--European Union countries.
Great Britain--Politics and government--2007-