Columbia subject headings:
Afghans--Europe--Social conditions.
Immigrants--Europe.
Muslims--Europe.
Refugees--Europe--Social conditions.
Harvard subject headings:
Afghanistan--History--Saur Revolution, 1978
Afghans--Europe.
Refugees--Afghanistan
Refugees--Europe
Princeton subject headings:
Afghans--Europe--Social conditions.
Immigrants--Europe.
Muslims--Europe.
Refugees--Europe--Social conditions.