Columbia subject headings:
European Union countries--Foreign relations--Turkey.
European Union--Turkey.
Turkey--Foreign relations--European Union countries.
Harvard subject headings:
European Union countries--Foreign economic relations--Turkey.
European Union countries--Foreign relations--Turkey.
European Union--Turkey.
Turkey--Foreign economic relations--European Union countries.
Turkey--Foreign relations--European Union countries.
Princeton subject headings:
European Union countries--Foreign relations--Turkey.
European Union--Turkey.
Turkey--Foreign relations--European Union countries.