The Center for Strategic and International Studies in Washington authored in October 2015 a major study titled "Religious Authority and the State in Africa" and published by Rowman & Littlefield.
It contains the following chapters:
--Political and Religious Pluralism in Senegal by Jennifer G. Cooke.
--Politics, Religious Engagement, and Extremism in Kenya by David Throup.
--Religion and the State in Uganda: Co-option and Compromise by Richard Downie.
--The Politics of Ethno-Religious Balancing and the Struggle for Power in Nigeria by Sani Umar.
--Democratic Reform and Islamic Revival in the Republic of Niger by Sebastian Elischer.
--Evolving Attitudes toward Secularism in Tanzania by Richard Downie.