Columbia subject headings:
Ethiopia--History--To 1490.
Muslims--Ethiopia--History.
Muslims--Ethiopia.
Muḥammad, Prophet, d. 632--Companions.
Muḥammad, Prophet, d. 632--Hijrah.
Harvard subject headings:
Islam--Ethiopia--History.
Muḥammad, Prophet, -632--Companions.
Muslims--Ethiopia--History.
Princeton subject headings:
Islam--Ethiopia--History.
Muḥammad, Prophet, -632--Companions.
Muslims--Ethiopia--History.