Columbia subject headings:
Harvard subject headings:
Europe--Emigration and immigration--Government policy.
Germany--Emigration and immigration--Government policy.
Immigrants--Europe--Social conditions.
Middle East--Emigration and immigration--Government policy.
Muslims--Europe--Social conditions.
Political refugees--Europe--Social conditions.
Social integration--Europe.
Social integration--Germany.
Princeton subject headings:
Europe--Emigration and immigration--Government policy.
Germany--Emigration and immigration--Government policy.
Immigrants--Europe--Social conditions.
Middle East--Emigration and immigration--Government policy.
Muslims--Europe--Social conditions.
Political refugees--Europe--Social conditions.
Social integration--Europe.
Social integration--Germany.