Columbia subject headings:
Mexico--Foreign relations--1988-2000.
Mexico--Politics and government--1988-2000.
Harvard subject headings:
Mexico--Foreign relations--1988-2000.
Mexico--Foreign relations--2000-
Mexico--Politics and government--1988-2000.
Mexico--Politics and government--2000-
Princeton subject headings:
Mexico--Economic policy--1994-
Mexico--Foreign relations--1988-2000.
Mexico--Foreign relations--2000-
Mexico--Foreign relations--United States.
Mexico--Politics and government--1988-2000.
Mexico--Politics and government--2000-
Mexico--Social policy.
United States--Foreign relations--Mexico.