Columbia subject headings:
Mexico--Economic conditions--1970-1982.
Mexico--Relations--United States.
United States--Relations--Mexico.
Harvard subject headings:
Mexico--Economic conditions--1982-1994.
Mexico--Economic conditions--1994-
Mexico--Relations--United States.
United States--Relations--Mexico.
Princeton subject headings:
Mexico--Economic conditions--1970-1982.
Mexico--Economic conditions--1982-1994.
Mexico--Relations--United States.
United States--Relations--Mexico.