Columbia subject headings:
Harvard subject headings:
Germany--Emigration and immigration--Social aspects.
Germany--Emigration and immigration.
Germany--Ethnic relations.
Immigrants--Germany
Minorities--Germany--Public opinion.
Minorities--Germany--Social conditions.
Multiculturalism--Germany
Social integration--Germany.
Princeton subject headings:
Germany--Emigration and immigration.
Germany--Ethnic relations.
Minorities--Germany--Public opinion.
Minorities--Germany--Social conditions.
Multiculturalism--Germany.