Columbia subject headings:
Anarchism--Italy--Naples (Kingdom)--History--19th century.
Bakunin, Mikhail Aleksandrovich, 1814-1876.
Pisacane, Carlo, 1818-1857.
Socialism--Italy--Naples (Kingdom)--History--19th century.
Harvard subject headings:
Anarchism--Italy--Naples--History--19th century.
Anarchists--Italy--Naples--History--19th century.
Socialism--Italy--Naples--History--19th century.
Princeton subject headings:
Anarchism--Italy--Naples--History--19th century.
Anarchists--Italy--Naples--History--19th century.
Socialism--Italy--Naples--History--19th century.