Columbia subject headings:
Journalism--Political aspects--Argentina--History.
Press and politics--Argentina--History.
Harvard subject headings:
Journalism--Political aspects--Argentina--History.
Press and politics--Argentina--History.
Princeton subject headings:
Press, Labor--Argentina--History--19th century.
Press, Labor--Argentina--History--20th century.
Press, Socialist--Argentina--History--19th century.
Press, Socialist--Argentina--History--20th century.
Radicalism--Argentina--History--19th century.
Radicalism--Argentina--History--20th century.