Columbia subject headings:
Iran--Politics and government--20th century.
Iran--Social conditions--20th century.
Iran--Social conditions--21st century.
Social classes--Iran--History--20th century.
Social groups--Iran--History.
Harvard subject headings:
Discourse analysis--Political aspects--Iran.
Iran--Politics and government--20th century.
Political sociology--Iran.
Social classes--Iran--History--20th century.
Princeton subject headings: