Bugsysiegel.net - Website examines "the man who invented Las Vegas," Benjamin Bugsy Siegel. Features include biography, quotes, photos, official documents, web links, information and photos of the Flamingo Hotel.
Crime Library: Bootlegger's Paradise - Writer Mark Gribben's feature article on the Jewish Purple Gang of Prohibition Era Detroit; photos and bibliography.
LIFE Books: At Home With Mickey Cohen - Photo gallery and brief interview from "Mobsters and Gangsters" shows Cohen and wife LaVonne at their Brentwood, California, home in the 1950s.
Wikipedia: Arnold Rothstein - Biography of the New York gambler and racketeer. Topics include the 1919 "Black Sox" World Series scandal, bootlegging activity and Rothstein's 1928 murder.
Wikipedia: Bugsy Siegel - Biography of the gangster. Topics include Siegel's underworld business ventures in Los Angeles and Las Vegas (Flamingo Hotel), and his 1947 assassination.