Columbia subject headings:
European Union countries--Relations--Turkey.
European Union--Membership.
European Union--Turkey.
Turkey--Relations--European Union countries.
Harvard subject headings:
European Union countries--Foreign relations--Turkey.
European Union--Membership.
European Union--Turkey.
European federation.
Turkey--Foreign relations--European Union countries.
Princeton subject headings:
European Union countries--Relations--Turkey.
European Union--Membership.
European Union--Turkey.
Turkey--Relations--European Union countries.