Columbia subject headings:
Argentina--History--1860-1910.
Hernández, José, 1834-1886--Political and social views.
Hernández, José, 1834-1886. Martín Fierro.
Harvard subject headings:
Argentina--History--1860-1910.
Hernández, José, 1834-1886--Political and social views.
Hernández, José, 1834-1886. Martín Fierro
Princeton subject headings:
Argentina--History--1817-1860.
Argentina--History--1860-1910.
Hernández, José, 1834-1886--Criticism and interpretation.