Columbia subject headings:
Iran--Foreign relations--United States.
Iraq--Foreign relations--United States.
United States--Foreign relations--Iran.
United States--Foreign relations--Iraq.
Harvard subject headings:
Iran--Foreign relations--United States.
Iraq--Foreign relations--United States.
United States--Foreign relations--Iran.
United States--Foreign relations--Iraq.
Princeton subject headings:
Iran--Foreign relations--United States.
Iraq--Foreign relations--United States.
United States--Foreign relations--Iran.
United States--Foreign relations--Iraq.