Columbia subject headings:
Harvard subject headings:
Immigrants--Germany--North Rhine-Westphalia.
Immigrants--Recreation--Germany--North Rhine-Westphalia.
Minorities in sports--Germany--North Rhine-Westphalia.
Social integration--Germany--North Rhine-Westphalia.
Sports and state--Germany
Sports for people with disabilities--Germany--North Rhine-Westphalia.
Sports--Social aspects--Germany--Bielefeld.
Sports--Social aspects--Germany--Duisburg.
Sports--Social aspects--Germany--North Rhine-Westphalia.
Princeton subject headings:
Immigrants--Germany--North Rhine-Westphalia.
Social integration--Germany--North Rhine-Westphalia.
Sports and state--Germany.
Sports--Social aspects--Germany--North Rhine-Westphalia.