Sicilian Mafia | History, Families, Leaders, & Facts | Britannica
Shubert Six Police | Mafia Wiki | Fandom
Mafia Assassin; The Inside Story of a Canadian Biker, Hitman, and Police Informer by Cecil (With Thomas C. Renner.) Kirby - Hardcover - from Burton Lysecki Books, ABAC/ILAB (SKU: 007483)
The Last Confessions of Italy's Most Infamous Mafia Murderess – Rolling Stone