Columbia subject headings:
Harvard subject headings:
Iran--Intellectual life--19th century.
Iran--Intellectual life--20th century.
Iran--Politics and government--19th century.
Iran--Politics and government--20th century.
Iran--Social conditions--19th century.
Iran--Social conditions--20th century.
Social change--Iran--History.
Princeton subject headings:
Iran--Intellectual life--19th century.
Iran--Intellectual life--20th century.
Iran--Politics and government--19th century.
Iran--Politics and government--20th century.
Iran--Social conditions--19th century.
Iran--Social conditions--20th century.
Social change--Iran--History.