AmericanMafia.com 26 Mafia Cities - Providence
- The history of the New England Mafia in Rhode Island written by Mario Machi, Allan May and Charlie Molino.
- http://www.americanmafia.com/Cities/New_England-Providence.html

The American Mafia: New England Crime Bosses
- Biographical notes on the leaders of Italian-Sicilian organized crime in Boston and Providence.
- http://www.onewal.com/maf-b-ne.html

Laborers.org: Raymond Patriarca Dies at 76
- Text of the Boston Globe's 1984 obituary for the longtime New England crime boss.
- http://www.laborers.org/BosGlobe_Patriarca_7-12-84.html

Crime Library: Providence Mob
- Writer Allan May looks at the history of the New England Mafia.
- http://www.crimelibrary.com/gangsters_outlaws/family_epics/providence_mob/