Columbia subject headings:
Mexico--Economic conditions--1982-1994.
Mexico--Politics and government--1988-2000.
Mexico--Social conditions--1970-
Harvard subject headings:
Mexico--Economic conditions--1982-
Mexico--Economic conditions--1982-1994.
Mexico--Politics and government--1988-
Mexico--Social conditions--1970-
Princeton subject headings:
Mexico--Economic conditions--1982-1994.
Mexico--Economic conditions--1994-
Mexico--Politics and government--1988-2000.
Mexico--Social conditions--1970-