1. ‣A Note on the Islamic Heritage of Tigray: the Current Situation of the Arabic Inscription of Wuqro, in: ITYOP̣IS, Northeast African Journal of Social Sciences and Humanities, vol. I/2011, 150-53

  2. ‣Schwarze Königreiche von der Antike bis zur kolonialen Unterwerfung, in: Bernhard Chiari (in Zusammenarbeit mit Dieter H. Kollmer): Wegweiser zur Geschichte, Sudan, Paderborn - München - Wien - Zürich: Ferdinand Schöningh 2008, S. 17-25

  3. ‣Ein wenig erforschter aksumitischer Platz in Däbrä Gärgiš, ʿAddi Daʿəro, Təgray, in: Aethiopica. International Journal of Ethiopian and Eritrean Studies 10, 2007, 106-14

  4. ‣Ezana, in: 21. Auflage der Brockhaus Enzyklopädie in 30 Bänden, 2005-2006, Bd. 8

  5. ‣An 8th Century Chinese Fragment on the Nubian and Abyssinian Kingdoms - Some Remarks, in: Steffen Wenig - Walter Raunig (eds.): Afrikas Horn. Akten der Ersten Internationalen Littmann-Konferenz, München 2. - 5. Mai 2002, Wiesbaden 2005 (Meroitica. Schriften zur altsudanesischen Geschichte und Archäologie, Bd. 22), 123-133

  6. ‣Dängolo [rock-hewn church], in: Siegbert Uhlig (ed.): Encyclopaedia Aethiopica, Wiesbaden: Harrassowitz Verlag 2005, vol. 2 (D-Ha), 87-88

  7. ‣A Chinese in the Nubian and Abyssinian kingdoms (8th century), The visit of Du Huan to Molin-guo and Laobosa, in: Chroniques yéménites 2001, 9, Ṣanaʿāʾ 2002, p. 17-28

  8. ‣[Medieval Arabic inscriptions]: Small series of Topics



 

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