Columbia subject headings:
Aksum (Kingdom)--History.
Eritrea--Antiquities.
Excavations (Archaeology)--Ethiopia--Āksum.
Harbors--Eritrea--History.
Āksum (Ethiopia)--Antiquities.
Harvard subject headings:
Aksum (Kingdom)--Civilization.
Eritrea--Antiquities.
Excavations (Archaeology)--Eritrea.
Princeton subject headings:
Aksum (Kingdom)--History.
Āksum (Ethiopia)--Antiquities.
Eritrea--Antiquities.
Excavations (Archaeology)--Ethiopia--Āksum.
Harbors--Eritrea--History.