Columbia subject headings:
Africa, North--Congresses.
Asia--Congresses.
Harvard subject headings:
Africa, North--Congresses.
Asia--Civilization--Congresses.
Asia--Congresses.
Asia--Religion--Congresses.
Middle East--Civilization--Congresses.
Middle East--Religion--Congresses.
Princeton subject headings:
Africa, North--Civilization--Congresses.
Asia--Civilization--Congresses.
Civilization, Oriental--Congresses.