Incoming Resources
- Origins of the Mafia, secrecy, unity and the oath of silence, Resolution Productions ; RAI/ITC Incorporated Television Company ; Granada International Media Limited ; director, Enzo Muzii ; written by A.A. Sundri, Brando Giordani, Enzo Muzii, David W. Rintels, Gian Domenico Giagni
- Cosa Nostra, a history of the Sicilian Mafia, John Dickie
- The Sicilian Mafia, the business of private protection, Diego Gambetta
- Rebels and mafiosi, death in a Sicilian landscape, James Fentress