Columbia subject headings:
Mexico--Politics and government--1946-1970.
Student movements--Mexico--Mexico City.
Students--Political activity--Mexico--Mexico City.
Harvard subject headings:
Mexico--Politics and government--1946-1970
Social movements--Mexico.
Student movements--Mexico.
Students--Political activity--Mexico.
Princeton subject headings:
Mexico--Politics and government--1946-1970.
Student movements--Mexico--Mexico City.
Students--Political activity--Mexico--Mexico City.