Columbia subject headings:
Mexico--History--1946-1970.
Mexico--History--1970-1988.
Mexico--History--1988-
Harvard subject headings:
Mexico--History--1946-1970.
Mexico--History--1970-1988
Mexico--History--1988-
Princeton subject headings:
Mexico--Historiography.
Mexico--History--1946-1970.
Mexico--History--1970-1988.
Mexico--History--1988-
Student movements--Mexico--History--20th century.