» Bugs Moran Online    Site discusses the life and career of Chicago's Prohibition Era gangster. Includes photos, arrest records, descriptions of published works.    http://www.bugsmoran.net/

» Crime Library: Dion O'Banion: Shamrocks, Gun Smoke and Beer Kegs    Writer Joseph Geringer's feature on Chicago's North Side gangster.    http://www.crimelibrary.com/gangsters_outlaws/mob_bosses/obanion/

» Crime Library: George "Bugs" Moran: His War With Al Capone.    Writer Joseph Geringer studies the man for whom Capone arranged the St. Valentine's Day Massacre.    http://www.crimelibrary.com/gangsters2/moran/

» Crime Library: James "Whitey" Bulger    Writer Anthony Bruno discusses the underworld career of the Irish-American mob boss of South Boston.    http://www.crimelibrary.com/gangsters_outlaws/mob_bosses/james_whitey_bulger/

» DeanOBanion.com    Website includes a biography, photos, document downloads, and links to books about the Chicago crime boss.    http://www.deanobanion.com/

» FBI: Freedom of Information Act: George "Bugs" Moran    Bureau records on the Chicago North Side gangster.    http://foia.fbi.gov/foiaindex/moran_george_bugs.htm

» FBI: Ten Most Wanted Fugitive: James J. Bulger    Bureau information on South Boston gang leader "Whitey" Bulger. Includes photographs and video clips.    http://www.fbi.gov/wanted/topten/fugitives/bulger.htm

» Hell's Kitchen Irish Mob    Short biographical notes on the bosses and famous members of the New York gang known as "The Westies."    http://www.gangland.net/westies.htm

» The Brothers Bulger    Site contains video clips, photographs and biographical information relating to James "Whitey" Bulger and associates. Also reviews of a Bulger biography.    http://whiteyworld.com/

» Wikipedia: Egan's Rats    Article on the predominantly Irish-American street gang of Prohibition Era St. Louis, Missouri.    http://en.wikipedia.org/wiki/Egan's_Rats

» Wikipedia: Irish Mob    Article looks at the history of Irish gangs in Boston, New York, Philadelphia, Chicago and elsewhere.    http://en.wikipedia.org/wiki/Irish_Mob

» Wikipedia: James J. Bulger    Article looks at the life and criminal career of the South Boston Irish gang boss.    http://en.wikipedia.org/wiki/James_J._Bulger

» Wikipedia: Mad Dog Coll    Article looks at the life and career of New York's Prohibition Era gangster Vincent Coll.    http://en.wikipedia.org/wiki/Mad_Dog_Coll

» Wikipedia: Owney Madden    Biographical essay on the New York gangster of the Prohibition Era.    http://en.wikipedia.org/wiki/Owney_Madden