| J.L. De Vries, Mission and Colonialism in Namibia. | |
| R.J. Enquist, Namibia: Land of Tears, Land of Promise. | |
| P. Katjavivi, P. Frostin & K. Mbuende, eds., Church and Liberation in Namibia. | |
Charles Henry Robinson [1861-1925], History of Christian Missions. Edinburgh: T & T Clark, 1915. Hbk. pp.306-307. [This material is in the Public Domain] |
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Donald K. Smith , "Namibia," A. Scott Moreau, ed., Evangelical Dictionary of Christian Missions. Grand Rapids: Baker, 2000. Hbk. ISBN: 0801020743. pp.670-671. |