Columbia subject headings:
Anarchists--Italy--Biography.
Assassins--Italy--Biography.
Lucetti, Gino, 1900-1943.
Mussolini, Benito, 1883-1945--Assassination attempt, 1926 (September 11)
Political crimes and offenses--Italy--History--20th century.
Harvard subject headings:
Lucetti, Gino, 1900-1943.
Mussolini, Benito, 1883-1945--Assassination attempts.
Princeton subject headings:
Anarchists--Italy--Biography.
Assassins--Italy--Biography.
Lucetti, Gino, 1900-1943.
Mussolini, Benito, 1883-1945--Assassination attempt, 1926 (September 11)
Political crimes and offenses--Italy--History--20th century.