Columbia subject headings:
Nigeria--Politics and government--1979-1983.
Suffrage--Nigeria.
Voting--Nigeria.
Harvard subject headings:
Nigeria--Politics and government--1979-1983.
Nigeria--Politics and government--1984-1993.
Suffrage--Nigeria.
Voting--Nigeria.
Princeton subject headings:
Nigeria--Politics and government--1979-1983.
Nigeria--Politics and government--1984-1993.
Suffrage--Nigeria.
Voting--Nigeria.