Columbia subject headings:
Harvard subject headings:
Arab countries--Antiquities--Congresses.
Archaeology and art--Congresses.
Ethiopia--Civilization--Congresses.
Incantations, Ethiopic--Congresses.
Inscriptions, Arabic--Congresses.
Littmann, Enno, 1875-1958--Congresses.
Princeton subject headings:
Arab countries--Antiquities--Congresses.
Archaeology and art--Congresses.
Ethiopia--Civilization--Congresses.
Incantations, Ethiopic--Congresses.
Inscriptions, Arabic--Congresses.
Littmann, Enno, 1875-1958--Congresses.