Y. B. Usman

发表

The transformation of Katsina, 1400-1883 : the emergence and overthrow of the sarauta system and the establishment of the emirate

Y. B. Usman, 1981 .

The manipulation of religion in Nigeria, 1977-1987

Y. B. Usman, 1987 .

Studies in the history of the Sokoto Caliphate : the Sokoto seminar papers

Y. B. Usman, 1979 .

For the liberation of Nigeria: Essays and lectures, 1969-1978

Y. B. Usman, 1979 .