Columbia subject headings:
Education and state--Mexico--History--19th century--Sources.
Education and state--Mexico--History--20th century--Sources.
Harvard subject headings:
Education and state--Mexico--History--19th century--Sources.
Education and state--Mexico--History--20th century--Sources.
Princeton subject headings:
Education and state--Mexico--History--19th century--Sources.
Education and state--Mexico--History--20th century--Sources.