Columbia subject headings:
Harvard subject headings:
Iran--Foreign relations--United States.
Iran--Politics and government--1979-1997.
State-sponsored terrorism--Iran.
United States--Foreign relations--Iran.
Princeton subject headings:
Iran--Foreign relations--United States.
Iran--Politics and government--1979-1997.
Iran--Politics and government--1997-
State-sponsored terrorism--Iran.
United States--Foreign relations--Iran.