Columbia subject headings:
Harvard subject headings:
Communism--Iran--History--Chronology.
Ḥizb-i Tūdah-ʼi Īrān.
Iran--Economic conditions.
Iran--History--Chronology.
Iran--Politics and government--20th century.
Princeton subject headings:
Ḥizb-i Tūdah-ʼi Īrān.
Iran--Politics and government--1941-1979.