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Gangster | Definition, History, & Photos | Britannica
Gangster - Wikipedia
Gangster Definition & Meaning - Merriam-Webster
The Best Gangster Movies and TV Shows | TIME
Gang | Definition, History, & Facts | Britannica
Infamous Gangsters - Mobsters and Mafia Members - Biography
American Gangster (2007) - IMDb
Gangster Movies | Netflix Official Site
The 50 best gangster movies of all time
Gangsters and Genre | Oxford Research Encyclopedia of Criminology