Columbia subject headings:
Iran--Foreign relations--United States.
Iran--Politics and government--1997-
United States--Foreign relations--Iran.
Weapons of mass destruction--Iran.
Harvard subject headings:
Iran--Foreign relations--United States.
Iran--Politics and government--1997-
United States--Foreign relations--Iran.
Weapons of mass destruction--Iran
Princeton subject headings:
Iran--Foreign relations--United States.
Iran--Politics and government--1997-
United States--Foreign relations--Iran.
Weapons of mass destruction--Iran.