Columbia subject headings:
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Foreign relations--Iran.
Harvard subject headings:
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Foreign relations--Iran.
Princeton subject headings:
Iran Hostage Crisis, 1979-1981.
Iran--Foreign relations--United States.
United States--Foreign relations--Iran.