Columbia subject headings:
Klengel, Horst.
Middle East--Antiquities--Congresses.
Middle East--Civilization--To 622--Congresses.
Harvard subject headings:
Klengel, Horst.
Middle East--Antiquities--Congresses.
Middle East--Civilization--To 622--Congresses.
Princeton subject headings:
Middle East--Antiquities.
Middle East--History.
Middle East--Social life and customs.