Columbia subject headings:
Folk songs, Spanish--Argentina--History and criticism.
Gauchos--Argentina.
Hernández, José, 1834-1886. Martín Fierro.
Harvard subject headings:
Folk songs, Spanish--Argentina--History and criticism.
Gauchos--Argentina.
Hernández, José, 1834-1886. Martín Fierro
Princeton subject headings:
Folk songs--Argentina--History and criticism.
Gauchos--Argentina.
Hernández, José, 1834-1886. Martín Fierro.