Columbia subject headings:
Historical linguistics--Iran--Congresses.
Iran--Civilization--Congresses.
Iran--History--To 640--Congresses.
Pottery, Ancient--Iran--Congresses.
Harvard subject headings:
Princeton subject headings:
Historical linguistics--Iran--Congresses.
Iran--Civilization--Congresses.
Iran--History--To 640--Congresses.
Pottery, Ancient--Iran--Congresses.