Columbia subject headings:
Germany--Emigration and immigration--Social aspects.
Immigrants--Cultural assimilation--Germany.
Immigrants--Germany--Social conditions.
Harvard subject headings:
Germany--Emigration and immigration--Social aspects.
Immigrants--Cultural assimilation--Germany.
Immigrants--Germany--Social conditions
Princeton subject headings:
Germany--Emigration and immigration--Social aspects.
Immigrants--Cultural assimilation--Germany.
Immigrants--Germany--Social conditions.