Columbia subject headings:
Free trade--Mexico--Periodicals.
Free trade--United States--Periodicals.
Mexico--Commerce--United States--Periodicals.
Mexico--Economic conditions--1982-1994--Periodicals.
Mexico--Politics and government--Periodicals.
United States--Commerce--Mexico--Periodicals.
Harvard subject headings:
Free trade--Mexico--Periodicals.
Free trade--United States--Periodicals.
Mexico--Commerce--United States--Periodicals.
Mexico--Economic conditions--1982-1994--Periodicals.
Mexico--Politics and government--Periodicals.
United States--Commerce--Mexico--Periodicals.
Princeton subject headings:
Free trade--Mexico--Periodicals.
Free trade--United States--Periodicals.
Mexico--Commerce--United States--Periodicals.
Mexico--Economic conditions--1994---Periodicals.
Mexico--Politics and government--Periodicals.
Periodicals.
United States--Commerce--Mexico--Periodicals.