Columbia subject headings:
Harvard subject headings:
Europe--Ethnic relations.
Immigrants--Government policy--Europe.
Minorities--Europe
Minorities--Europe--Population.
Minorities--Europe--Social conditions.
Minorities--Government policy--Europe.
Sorbs--Government policy--Germany.
Princeton subject headings:
Europe--Ethnic relations.
Immigrants--Government policy--Europe.
Minorities--Europe--Population.
Minorities--Europe--Social conditions.
Minorities--Europe.
Minorities--Government policy--Europe.
Sorbs--Government policy--Germany.