Columbia subject headings:
European Union countries--Foreign relations--Great Britain.
European Union--Great Britain.
Great Britain--Foreign relations--European Union countries.
Great Britain--Politics and government--1997-2007.
Harvard subject headings:
European Union
European Union--Great Britain.
Great Britain--Foreign relations--European Union countries.
Great Britain--Politics and government--1997-2007
Princeton subject headings:
European Union countries--Politics and government--21st century.
European Union countries--Relations--Great Britain.
European Union--Great Britain.
European Union--Membership.
Great Britain--Politics and government--21st century.
Great Britain--Relations--European Union countries.