Columbia subject headings:
Harvard subject headings:
Emigration and immigration law--European Union countries--Congresses.
Immigrants--Civil rights--European Union countries--Congresses.
Immigrants--Cultural assimilation--European Union countries--Congresses.
Migrant labor--European Union countries--Congresses.
Princeton subject headings:
Emigration and immigration law--European Union countries--Congresses.
Immigrants--Civil rights--European Union countries--Congresses.
Immigrants--Cultural assimilation--European Union countries--Congresses.
Migrant labor--European Union countries--Congresses.