See S. J. Hogben and A. H. M. Kirk-Greene, The Emirates of Northern Nigeria (1966); R. K. Udo, Geographical Regions of Nigeria (1970); C. K. Eicher and C. Liedholm, ed., Growth and Development of the Nigerian Economy (1970); S. K. Painter-Brick, Nigerian Politics and Military Rule: Prelude to Civil War (1970); T. Hodgkin, ed., Nigerian Perspectives (2d ed. 1975); M. Crowder, The Story of Nigeria (4th ed. 1978); A. H. M. Kirk-Greene and D. Rimmer, Nigeria Since 1970 (1981); J. O. Irukwu, Nigeria at the Crossroads (1983); R. Olaniyan, Nigerian History and Culture (1984); T. Falola, The Rise and Fall of Nigeria's Second Republic, 1979–1984 (1985).
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