Columbia subject headings:
Harvard subject headings:
European Union countries--Foreign relations--Great Britain.
European Union--Great Britain--History.
European Union--Membership.
Great Britain--Foreign relations--European Union countries.
International and municipal law--Great Britain
Princeton subject headings:
European Union countries--Foreign relations--Great Britain.
European Union--Great Britain--History.
European Union--Membership.
Great Britain--Foreign relations--European Union countries.
International and municipal law--Great Britain.