Ahmed AM (2009). El-Harak El-Siasi Wel Diini fi Jebal El-Nuba 1932- 1964, Dar Et al., amiyya, Egypt.

Arop MA (2012). The Genesis of Political Consciousness. South Sudan. ISBN-10; 1463561539.

Deng FM (2003). War of Visions "Conflict of Identities in the Sudan. The Brookings institute, Washington D.C.

El-Sadiq I, El-Musbah Y El-Tom (1999). Martyrs Letters "El-Difaa al-Shaabi information, Khartoum, Sudan.

Jendia C (2002). The Sudanese Civil Conflict 1969-1983. Peter Lang Publishing, Incorporated, New York.

Johnson DH (1993). Governing the Nuer. Documents by Percy Coriat on Nuer History and Ethnography 1922-1931. Oxford University.

Johnson DH (Ed.) (1995). The Upper Nile Province Handbook. A Report on People and Government in the Southern Sudan 1931. Oxford University Press.

Johnson DH (Ed.) (2010). When the Boundaries Become Borders. The Impact of Boundary-Making in Southern Sudan's frontier zone. The Rift Valley Institute.

Harrell AM (2010). Egypt's African Empire "Samuel Baker, Charles Gordon and the Creation of Equatoria. Sussex Academic Press.

Bashir MO (1987). Tethawar El-Taliim fir Sudan 1898-1956. Dar Jeel, Beirut.

Mading SJB (2012). The Sudanese Society and Polygamy. The National Books Store.

Mading SJB (2019). The Role of Religion in Conflict and Peace in Sudan.

Mading SJB (2006). The Sudanese Society and Polygamy. The National Books Store.

Mohamed KH (2013). Sudan Centre for Research and Strategic Studies.

Pasha S (2016). El-Seif Welanr Fi Sudan. The history of El-Mahdiyya State.

Shugeir N (1981). The History of the Sudan. Dar El-Jeel, Beirut, Lebanon.

Werner R, Anderson W, Wheeler AC (2010). Day of Devastation Day of Contentment. The History of the Sudanese Church Across 2000 years. Paulines Publications Africa.

Wheeler A (1982). The Church History in Sudanese History. Theological Education by extension programme. Bishop Gwynne College, Mudiri, Southern Sudan.

Yoh JG (2002). Political History of Southern Sudan. El-Ahalia publishing house, Amman, Jordan.