Columbia subject headings:
Mexico--Politics and government--1946-1970.
Student movements--Mexico--Mexico City--History--20th century.
Students--Political activity--Mexico--Mexico City--History--20th century.
Harvard subject headings:
Princeton subject headings:
Mexico--Politics and government--1946-1970.
Student movements--Mexico--Mexico City--History--20th century.
Students--Mexico--Mexico City--Political activity--History--20th century.