Columbia subject headings:
European Union countries--Emigration and immigration.
Foreign workers--European Union countries.
Prejudices--European Union countries.
Harvard subject headings:
European Union countries--Emigration and immigration.
Foreign workers--European Union countries
Migrant labor--European Union countries.
Prejudices--European Union countries.
Racism--European Union countries.
Princeton subject headings:
European Union countries--Emigration and immigration.
Foreign workers--European Union countries.
Prejudices--European Union countries.