Columbia subject headings:
Middle East--Civilization--To 622--Congresses.
Middle East--History--To 622--Congresses.
Harvard subject headings:
Middle East--Civilization--To 622--Congresses.
Middle East--History--To 622--Congresses.
Princeton subject headings:
Middle East--Civilization--To 622--Congresses.
Middle East--History--To 622--Congresses.