Columbia subject headings:
Anarchism--Argentina--History.
Anarchists--Argentina--History.
Di Giovanni, Severino, 1901-1931.
Harvard subject headings:
Anarchism--Argentina--History.
Anarchists--Argentina--History.
Di Giovanni, Severino, 1901-1931.
Princeton subject headings:
Anarchism--Argentina--History.
Anarchists--Argentina--Biography.
Di Giovanni, Severino, 1901-1931.