Columbia subject headings:
Higher education and state--Chile--History--20th century.
Higher education and state--Cuba--History--20th century.
Higher education and state--Mexico--History--20th century.
Harvard subject headings:
Higher education and state--Chile--History--20th century.
Higher education and state--Cuba--History--20th century.
Higher education and state--Mexico--History--20th century.
Princeton subject headings: