Columbia subject headings:
Anarchism--Italy--History--20th century.
Berneri, Camillo, 1897-1937.
Socialism--Italy--History--20th century.
Harvard subject headings:
Anarchism--Italy--History--20th century
Berneri, Camillo, 1897-1937.
Socialism--Italy--20th century.
Socialism--Italy--History--20th century
Princeton subject headings:
Anarchism--Italy--History--20th century.
Berneri, Camillo, 1897-1937.
Socialism--Italy--History--20th century.