Columbia subject headings:
Bolívar, Simón, 1783-1830--Knowledge and learning.
Communication.
Rodríguez, Simón, 1769-1854.
Harvard subject headings:
Bolívar, Simón, 1783-1830
Bolívar, Simón, 1783-1830--Views on journalism.
Journalism--South America--History--19th century.
Rodríguez, Simón, 1769-1854--Philosophy.
Rodríguez, Simón, 1771-1854--Philosophy.
Princeton subject headings: