Columbia subject headings:
Nigeria--History--Coup d'état, 1983.
Nigeria--Politics and government--1979-1983.
Harvard subject headings:
Nigeria--History--Coup d'état, 1983.
Nigeria--Politics and government--1979-1983.
Nigeria--Politics and government--1984-1993.
Princeton subject headings:
Nigeria--History--Coup d'état, 1983.
Nigeria--Politics and government--1979-.