Other
Mystery Net: st.valentine's Day Massacre
The story behind the St. Valentine's Day Massacre. While gangland warfare was commonplace in Chicago during Prohibition, this attack was unusual because all of the victims were known mobsters.
Siteseen
Siteseen: American Historama: St. Valentine's Day Massacre
A comprehensive overview and a list of interesting facts pertaining to the St. Valentine's Day Massacre which made Al Capone and his Chicago Mafia national celebrities.
Siteseen
Siteseen: American Historama: Al Capone Facts
A comprehensive overview with many interesting facts and information on Al "Scarface" Capone, the most famous of all the Prohibition Era gangsters.
Siteseen
Siteseen: American Historama: Chicago Mafia
A comprehensive overview with many interesting facts and information on the Chicago Mafia who were part of the organized crime wave led by Al Capone during the Prohibition Era.
US National Archives
Nara: American Originals: Al Capone
Brief description of the trial and verdict that sent Al Capone to prison, in 1931, for tax evasion.