Countries in Africa:

Liberia

	Thomas Jefferson Bowen [1814-1875], Central Africa: Adventures and Missionary Labors in Several Countries in the Interior of Africa, from 1849 to 1856. Charleston: Southern Baptist Publication Society, 1857. Hbk. pp.350. pdf [This material is in the Public Domain]
	Joseph James Cooksey [1872-1940] & Alexander McLeish [1877-1962], Religion and Civilisation in West Africa. A Missionary Survey of French, British, Spanish and Portuguese West Africa, with Liberia. London: World Dominion Press, 1931. Hbk. pp.277.
	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]
	John Duitsman, "A plus for plurals in writing Liberian Krahn," Bible Translator 33.2 (April 1982): 235-238. pdf
	Joseph E. Grimes, Augustus B. Marwieh & Amy Bauernschmidt, " Several Kru orthographies," Bible Translator 11.3 (July 1960): 111-115. pdf
	Charles Henry Robinson [1861-1925], History of Christian Missions. Edinburgh: T & T Clark, 1915. Hbk. pp.289-290. [This material is in the Public Domain]