Endnote 18 – Arabia or Africa: Where Is the Land of Sheba?
Munro-Hay, Aksum, pp. 227–229, 231–232; David W. Phillipson, Foundations of an African Civilisation. Aksum and the Northern Horn 1000 B.C.–A.D. 1300 (Rochester, NY: Boydell & Brewer Ltd., 2012), pp. 132–137.