The American Mafia: The Good Killers: 1921's Glimpse of the Mafia
- Feature article written by Thomas Hunt and Michael Tona on the Castellammarese Mafia network responsible for the 1921 killing of Camillo Caiozzo in New Jersey.
- http://www.onewal.com/a014/f_goodkillers.html

New York Magazine: What's Left of the Mob
- Writer Jerry Capeci delivers a status report on New York area Mafia clans.
- http://nymag.com/nymetro/news/crimelaw/features/10870/

The American Mafia: Rogues Gallery
- Mugshots of gangsters past and present, many with links to biographical essays.
- http://www.onewal.com/maf-rog.html

The American Mafia: This Date in History
- Daily writeups from the history of organized crime.
- http://www.onewal.com/maf-tih.html

The Chicago Syndicate
- Focus is on the Outfit, but posts also include current events related to the mob in other U.S. cities.
- http://feeds.feedburner.com/ChicagoSyndicate

AmericanMafia.com Crime Board
- Discussion forum relating to mob history and current events.
- http://cybermessageboard.fatcow.com/rporrello/

Wikipedia: Mafia
- Article discusses the history, organization and terminology of the Cosa Nostra criminal society.
- http://en.wikipedia.org/wiki/Mafia

RealDeal Forum
- A message board for discussing topics related to organized crime and the Mafia.
- http://realdeal-forum.com/forum

Mob Talk Forum
- Discussions related to the Mafia and other aspects of organized crime.
- http://www.mobtalk.forumup.com

The American Mafia - Yahoo Group
- Online discussion group relating to the history of the Mafia in the United States. Site includes photos. Forum message text is available as an RSS News Feed.
- http://groups.yahoo.com/group/americanmafia/

The-Sopranos: La Cosa Nostra
- Brief historical information on the five New York crime families, short biographies of family leaders up to year 2000, mugshots of bosses.
- http://www.the-sopranos.com/lcn/fivefamilies.htm

Laborers.org: Cosa Nostra and Labor Racketeering
- Writer Ron Fino discusses mob infiltration and corruption of labor unions. Article includes quotations of applicable laws and a glossary.
- http://www.laborers.org/Fino_thesis.html

WMOB-Wiretap Radio
- FBI wiretaps of conversations between two gangsters: Federico "Fritzy" Giovanelli and Frank "Frankie California" Condo.
- http://www.wmob.com/

Mobwatcher
- Canadian journalist-author Antonio Nicaso keeps an eye on the Mafia in Canada, U.S. and Sicily. Site includes articles, book reviews, organized crime news and a blog.
- http://www.nicaso.com/

Mafia-International.Com
- Introduction to the world of organized crime. American, Sicilian, Russian, Canadian, Australian mafia figures are profiled. Includes an organized crime discussion forum.
- http://www.mafia-international.com

The Mafia Site
- History, structure and current events relating to the secret criminal society known as the Mafia. Site includes links, photos and a suggested reading list.
- http://mafiasite.8m.com

The Mafia and Murder Inc.
- History of New York Mafia, its enforcement arm Murder Inc. Reviews of organized crime movies.
- http://www.cob.montevallo.edu/heatonam/

The Mafia and Freemasonry
- Theories on the relationship between the Italian Mafia and "Massoneria."
- http://www.freemasonrywatch.org/mafia.html

FBI: Freedom of Information Act: Mafia Monograph 1958
- Study of the organization's origin in Sicily, its expansion to the U.S. in the late 19th Century and the transatlantic relationship between the two branches.
- http://foia.fbi.gov/foiaindex/mafiamon.htm

Divorced from the Mob
- Andrea Giovino's journey from organized crime to independence. A discussion of the mother-of-four's published memoir, some Giovino interviews, and a scrapbook.
- http://www.andreagiovino.com

Cosa Nostra: A History of the Sicilian Mafia
- Publisher microsite relating to the book Cosa Nostra by historian John Dickie. Includes Sicilian Mafia timeline, interview with author, "Mafiaspeak" glossary.
- http://www.madaboutbooks.com/cosaNostra

AmericanMafia.com
- Rick Porrello's information and links related to organized crime and the Mafia. Site includes feature articles, city-by-city reports, photographs, salute to "mob-busters," and a forum.
- http://www.americanmafia.com/

The American Mafia
- American Mafia history 1868-1980s. Organized crime timeline, feature articles, biographies of mobsters and crimefighters, mugshots, book notes, web links, maps, bibliography.
- http://www.onewal.com/