Columbia subject headings:
Fascism--Italy.
Italy--Politics and government--1922-1945.
Mussolini, Benito, 1883-1945.
Harvard subject headings:
Fascism--Italy--History
Italy--Politics and government--1922-1945.
Mussolini, Benito, 1883-1945--Assassination attempts.
Ovra (Organization : Italy)
Political crimes and offenses--Italy
Princeton subject headings:
Fascism--Italy.
Italy--Politics and government--1922-1945.
Mussolini, Benito, 1883-1945.