Columbia subject headings:
Democratization--Nigeria--Congresses.
Nigeria--Economic policy--Congresses.
Nigeria--Politics and government--1960---Congresses.
Nigeria--Social conditions--1960---Congresses.
Harvard subject headings:
Princeton subject headings:
Democratization--Nigeria--Congresses.
Nigeria--Economic policy--Congresses.
Nigeria--Politics and government--1960---Congresses.
Nigeria--Social conditions--1960---Congresses.