Columbia subject headings:
Achaemenid dynasty, 559 B.C.-330 B.C.--Congresses.
Art and religion--Iran--History--To 1500--Congresses.
Art, Ancient--Iran--Congresses.
Gods in art--Congresses.
Iran--Antiquities--Congresses.
Iran--Civilization--To 640--Congresses.
Iran--History--To 640--Congresses.
Iran--Religion--Congresses.
Religion and politics--Iran--Congresses.
Harvard subject headings:
Achaemenid dynasty, 559-330 B.C.--Congresses.
Iran--Antiquities--Congresses.
Iran--Religion--Congresses.
Princeton subject headings:
Iran--Religion.