Columbia subject headings:
Government and the press--Mexico--History--20th century.
Mexico--Intellectual life--20th century.
Press and politics--Mexico--History--20th century.
Press--Mexico--History--20th century.
Harvard subject headings:
Freedom of the press--Mexico
Government and the press--Mexico--History--20th century.
Princeton subject headings:
Freedom of the press--Mexico.
Government and the press--Mexico--History--20th century.