Columbia subject headings:
Harvard subject headings:
Emigration and immigration--Social aspects--Handbooks, manuals, etc.
Germany--Emigration and immigration--Government policy--Handbooks, manuals, etc.
Immigrants--Cultural assimilation--Germany--Handbooks, manuals, etc.
Social integration--Germany--Handbooks, manuals, etc.
Princeton subject headings:
Emigration and immigration--Social aspects--Handbooks, manuals, etc.
Germany--Emigration and immigration--Government policy--Handbooks, manuals, etc.
Immigrants--Cultural assimilation--Germany--Handbooks, manuals, etc.
Social integration--Germany--Handbooks, manuals, etc.