Columbia subject headings:
Nationalism--Nigeria--Congresses.
Nigeria--Ethnic relations--Political aspects--Congresses.
Nigeria--Politics and government--1960---Congresses.
Harvard subject headings:
Nationalism--Nigeria--Congresses.
Nigeria--Ethnic relations--Political aspects--Congresses.
Nigeria--Politics and government--1960---Congresses.
Princeton subject headings:
Nationalism--Nigeria--Congresses.
Nigeria--Ethnic relations--Political aspects--Congresses.
Nigeria--Politics and government--1960---Congresses.