Umar, M. S. (2006). Islam and colonialism: Intellectual responses of Muslims of Northern Nigeria to British colonial rule. Leiden; Boston: Brill Academic Publishers.

Umar, Muhammad S. Islam and Colonialism: Intellectual Responses of Muslims of Northern Nigeria to British Colonial Rule. Leiden; Boston: Brill Academic Publishers, 2006.

Umar, Muhammad S. Islam and Colonialism: Intellectual Responses of Muslims of Northern Nigeria to British Colonial Rule. Leiden; Boston: Brill Academic Publishers, 2006.