Columbia subject headings:
Emigration and immigration law--Germany--Statistics--Congresses.
Germany--Cultural policy--Statistics--Congresses.
Illegal immigration--Germany--Statistics--Congresses.
Noncitizens--Germany--Statistics--Congresses.
Harvard subject headings:
Emigration and immigration law--Germany--Statistics--Congresses.
Germany--Cultural policy--Statistics--Congresses.
Illegal immigration--Germany--Statistics--Congresses.
Noncitizens--Germany--Statistics--Congresses.
Princeton subject headings: