The emirates of Northern Nigeria a preliminary survey of their historical traditions
Hogben, S. J.(Sidney J)
Kirk-Greene, A. H. M.(Anthony Hamilton Millard)
Hogben, S. J.(Sidney J).Muhammadan emirates of Nigeria.
Aldershot : Gregg Revivals,
1993.
Originally published: Oxford : Oxford University Press, 1966. -- Previous ed.: published as The Muhammadan emirates of Nigeria. 1930.
Bibliography: p. 593-603. - Includes index.