Countries in Africa:

Central African Republic

	Johannes Du Plessis [1868-1935], The Evangelisation of Pagan Africa. A History of Christian Missions to the Pagan Tribes of Central Africa. Cape Town & Johannesburg: J.C. Juta & Co. Ltd., [1929]. Hbk. pp.408. pdf [This material is in the Public Domain]
	Estella Myers, "Illustrative Literal Translation from Karré," Bible Translator 1.3 (June 1950): 122-123. pdf
	Quentin D. Nelson, "Linguistic Problems in Ngbandi," Bible Translator 3.1 (January 1952): 39-45. pdf
	Charles Henry Robinson [1861-1925], History of Christian Missions. Edinburgh: T & T Clark, 1915. Hbk. pp.305-306. [This material is in the Public Domain]
	William J. Samarin, "Questions and orthography in Sango," Bible Translator 14.1 (Jan. 1963): 30-33. pdf