Columbia subject headings:
Argentina--Foreign relations--United States--Sources.
Argentina--Foreign relations--United States.
United States--Foreign relations--Argentina--Sources.
United States--Foreign relations--Argentina.
Harvard subject headings:
Argentina--Foreign relations--United States--Sources.
Argentina--Foreign relations--United States.
United States--Foreign relations--Argentina--Sources.
United States--Foreign relations--Argentina.
Princeton subject headings:
Argentina--Foreign relations--United States.
United States--Foreign relations--Argentina.