Columbia subject headings:
Emigration and immigration law--European Union countries--Congresses.
Emigration and immigration--Congresses.
Emigration and immigration--European Union countries--Congresses.
Emigration and immigration--Government policy--European Union countries--Congresses.
Europe--Emigration and immigration--Congresses.
Human rights--Congresses.
Human rights--European Union countries--Congresses.
Illegal immigration--Congresses.
Illegal immigration--European Union countries--Congresses.
Migration, Internal--Europe--Congresses.
Noncitizens--Congresses.
Noncitizens--European Union countries--Congresses.
Harvard subject headings:
Emigration and immigration law--European Union countries--Congresses.
Emigration and immigration--Europe--Congresses.
Emigration and immigration--Government policy--European Union countries--Congresses.
Europe--Emigration and immigration--Congresses.
European Union countries--Emigration and immigration--Government policy--Congresses.
Human rights--European Union countries--Congresses.
Migration, Internal--Europe--Congresses.
Princeton subject headings: