Columbia subject headings:
Asia, Central--Antiquities.
Asia, Central--Civilization--Congresses.
Iran--Antiquities--Congresses.
Iran--Civilization--To 640--Congresses.
Harvard subject headings:
Asia, Central--Antiquities.
Asia, Central--Civilization--Congresses.
Iran--Antiquities--Congresses.
Iran--Civilization--To 640--Congresses.
Princeton subject headings: