Columbia subject headings:
Harvard subject headings:
Cultural pluralism--Europe
Cultural pluralism--Germany.
Emigration and immigration
Europe--Emigration and immigration--Government policy.
Europe--Emigration and immigration.
Germany--Emigration and immigration--Government policy.
Germany--Emigration and immigration.
Regional planning--Europe.
Regional planning--Germany
Regional planning.
Social integration.
Princeton subject headings:
Cultural pluralism--Europe.
Cultural pluralism--Germany.
Emigration and immigration.
Europe--Emigration and immigration--Government policy.
Europe--Emigration and immigration.
Germany--Emigration and immigration--Government policy.
Germany--Emigration and immigration.
Regional planning--Europe.
Regional planning--Germany.
Regional planning.
Social integration.