Columbia subject headings:
Discrimination--Nigeria.
Minorities--Government policy--Nigeria.
Minorities--Politics and government--Nigeria.
Nigeria--Ethnic relations.
Harvard subject headings:
Discrimination--Nigeria.
Minorities--Government policy--Nigeria.
Minorities--Nigeria--Politics and government.
Nigeria--Ethnic relations--Political aspects--History--20th century.
Nigeria--Ethnic relations.
Nigeria--Politics and government.
Princeton subject headings: