Columbia subject headings:
Harvard subject headings:
Europe--Emigration and immigration--Social aspects.
Europe--Ethnic relations.
Immigrants--Europe--Social conditions.
Social integration--Europe.
Princeton subject headings:
Alienation (Social psychology)
Citizenship--Europe.
Europe--Ethnic relations.
Group identity--Europe.
Migrant labor--Europe--Europe--Psychology.
Migration, Internal--Europe--History.
Minorities--Europe--Psychology.