Columbia subject headings:
Harvard subject headings:
Brigate rosse--History.
Brigate rosse.
Criminal investigation--Italy--Rome.
D'Antona, Massimo--Assassination.
Murder--Italy--Rome.
Terrorism--Italy--History
Princeton subject headings:
Criminal investigation--Italy--Rome.
D'Antona, Massimo--Assassination.
Murder--Italy--Rome.
Red Brigades.