Missionaries
| H. Gundert, Biography of the Rev. Charles (Karl) Isenberg, Missionary of the Church Missionary Society to Abbysinia and Western India from 1832 to 1864. 1885. | |
M. Louise Pirouet, "Isenberg, Karl Wilhelm," Gerald H. Anderson, ed., Biographical Dictionary of Christian Missions. Grand Rapids, MI: Cambridge, UK: Eerdmans, 1988. Pbk. ISBN: 0802846807. p.322. |
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Eugene Stock [1836-1928], The History of the Church Missionary Society. Its Environment, Its Men and Its Work, 4 Vols. London: Church Missionary Society, 1899-1916. Hbk. Vol. 1, pp.351-353. |