Columbia subject headings:
Education and state--Mexico.
Education--Mexico--Planning.
Education--Mexico.
Education--Political aspects--Mexico.
Education--Social aspects--Mexico.
Educational innovations--Mexico.
Harvard subject headings:
Education and state--Mexico--History--20th century.
Education--Mexico--History--20th century
Education--Political aspects--Mexico--History--20th century.
Education--Social aspects--Mexico--History--20th century.
Princeton subject headings: