Columbia subject headings:
Ethiopia--History--To 1490.
ʻĀmda Ṣeyon I, Negus of Ethiopia, -1344.
Harvard subject headings:
'Āmda S̥eyon I, Negus of Ethiopia, -1344.
Ethiopia--History--To 1490
Princeton subject headings:
'Āmda S̥eyon I, Negus of Ethiopia, d.1344
Ethiopia--History--To 1490.