Columbia subject headings:
Fascism--Italy.
Fascism.
Labor unions--Italy--History.
Panunzio, Sergio, 1886-1944.
Harvard subject headings:
Fascism--Italy
Fascism.
Labor unions--Italy--History
Panunzio, Sergio, 1886-1944.
Princeton subject headings:
Fascism--Italy.
Fascism.
Labor unions--Italy--History.
Panunzio, Sergio, 1886-1944.