Rotimi T. (2001). Federalism and Ethnic Conflict in Nigeria. US Institute of Peace Press. p. 154. ISBN 1-929223-28-5. ^ a b „Religion – NigeriaInformation”
Carnegie Endowment for International Peace (1921). Scott, James Brown, ed. Official Statements of War Aims and Peace Proposals: December 1916 to November
resulted in the division of more large landholdings, the general political strength and living standards of the peasants and workers were not materially improved
deficitului bugetar federal și ale datoriei naționale. Politica sa „peacethroughstrength(en)[traduceți]” a condus la o considerabilă dezvoltare a apărării