sources

Futuh al-habasa, translated by Richard K. P. Pankhurst in The Ethiopian Royal Chronicles (Addis Ababa: Oxford University Press,1967), pp. 53f.
J. Spencer Trimingham, Islam in Ethiopia (Oxford: Geoffrey Cumberlege for the University Press, 1952), p. 173.
Translated in Whiteway,The Portuguese Expedition, p. 41.
Whiteway, The Portuguese Expedition, p. 51.
Whiteway, The Portuguese Expedition, p. 53.
Described in terms worthy of a saint's life by Jeronimo Lobo, who based his account on the testimony of an eye witness. (The Itinerário of Jerónimo Lobo, translated by Donald M. Lockhart [London: Hakluyt Society, 1984], pp. 201-217).
Paul B. Henze, Layers of Time: A History of Ethiopia (New York: Palgrave, 2000), p. 90.
the Somali conquest of the horn of africa I.M Lewis