Columbia subject headings:
European Union countries--Foreign relations--Turkey.
Turkey--Foreign relations--European Union countries.
Harvard subject headings:
European Union countries--Foreign relations--Turkey.
European Union--Turkey.
Turkey--Foreign relations--European Union countries.
Princeton subject headings:
European Union countries--Foreign relations--Turkey.
European Union--Turkey.
Foreign workers, Turkish--European Union countries--Economic conditions.
Foreign workers, Turkish--European Union countries--Social conditions.
Turkey--Foreign relations--European Union countries.