Columbia subject headings:
Middle East--Religion--Congresses.
Middle East--Religious life and customs--Congresses.
Harvard subject headings:
Cults--Middle East--History--Congresses.
Middle East--Religion--Congresses.
Middle East--Religion--History--Congresses.
Princeton subject headings:
Middle East--Civilization--To 622--Congresses.
Middle East--Religion--Congresses.