Columbia subject headings:
Harvard subject headings:
Chile--Civilization--20th century--Public opinion.
Mercurio (Santiago, Chile)
Public opinion--Chile--History--20th century.
Princeton subject headings:
Chile--Intellectual life--20th century.
Chilean newspapers--Sections, columns, etc.--Editorials.
Journalism--Chile--History--20th century.
Mercurio (Santiago, Chile)