Hahn, W. (2000--02). David W. Phillipson (ed.): The Monuments of Aksum. Based on the work in A.D. 1906 of the Deutsche Aksum-Expedition by Enno Littmann, Daniel Krencker and Theodor von Lüpke (Berlin 1913). Aethiopica, 3(1), 213–215. https://doi.org/10.15460/aethiopica.3.1.586