Columbia subject headings:
Iran--Civilization--20th century.
Iran--Politics and government--1997-
Iran--Religion.
Harvard subject headings:
Iran--History--1979-1997.
Iran--History--1997-
Iran--Politics and government.
Iran--Social life and customs.
Princeton subject headings:
Iran--Civilization--20th century.
Iran--Politics and government--1997-
Iran--Religion.
Islam and state--Iran.