The Real Abyssinia

Rey, Charles F.
1935

Das Hochland von Abessinien

Habesch, eine länderkundliche Monographie

Sander, Erich
1929

L'Éthiopie

Archéologie et culture

Leroy, Jules
1973

Tigrai: The Open-Air Museum

Foundations of an African Civilisation.

Aksum & the Northern Horn 1000 BC – AD 1300

Phillipson, David W.
2014

Foundations of an African Civilisation.

Aksum & the Northern Horn 1000 BC – AD 1300

Phillipson, David W.
2012

Lalibela and Yimrehane Kirstos: The Living Witnesses of Zagwe Dynasty

Gobezie, D. Menigstu
2004