Gebremedhin, Ezra. 2006. “Johannes Launhardt: Evangelicals in Addis Ababa (1919–1991). With Special Reference to the Ethiopian Evangelical Church Mekane Yesus and the Addis Ababa Synod”. Aethiopica 9 (1):271-75. https://doi.org/10.15460/aethiopica.9.1.266.