Columbia subject headings:
Awolowo, Obafemi, 1909-1987.
Nigeria--Politics and government--1960-
Nigeria--Politics and government--To 1960.
Harvard subject headings:
Awolowo, Obafemi, 1909-1987.
Nigeria--Politics and government--1979-1983.
Nigeria--Politics and government--1984-1993.
Princeton subject headings: