Columbia subject headings:
Harvard subject headings:
European Union countries--Emigration and immigration--Economic aspects--Congresses.
European Union countries--Foreign relations--Turkey--Congresses.
Foreign workers--European Union countries--Congresses.
Labor market--European Union countries--Congresses.
Turkey--Emigration and immigration--Congresses.
Turkey--Foreign relations--European Union countries--Congresses.
Turks--European Union countries--Congresses.
Princeton subject headings:
European Union countries--Emigration and immigration.
European Union countries--Relations--Turkey.
Turkey--Emigration and immigration.
Turkey--Relations--European Union countries.