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Selassie 1977. Selassie, Tsehai Berhane (1977). "Zare'a Ya'eqob, c. 1399 to 1468, Orthodox, Ethiopia". In Ofosu-Appiah, L. H. (ed.). The Encyclopaedia Africana Dictionary of African Biography. New York: Reference Publications. Archived from the original on 6 August 2016 – via Dictionary of African Christian Biography.