Columbia subject headings:
Harvard subject headings:
Iran--Economic conditions--1945-1979.
Iran--History--Revolution, 1979--Causes.
Iran--Politics and government--20th century.
Islam and state--Iran.
Social classes--Iran--History.
Princeton subject headings:
Iran--Economic conditions--20th century.
Iran--History--Revolution, 1979--Causes.
Iran--Politics and government--20th century.
Islam and state--Iran.
Social classes--Iran--History.