» Crime Library: Yakuza, the Japanese Mafia    Writer Anthony Bruno tells of the powerful and far reaching Japanese and Korean criminal enterprise.    http://www.crimelibrary.com/gangsters_outlaws/gang/yakuza/1.html

» Japanese Organized Crime in Australia    Excerpt of a 1995 discussion paper by the Australian Parliamentary Joint Committee on the National Crime Authority dealing with the history, characteristics and activities of the Yakuza    http://www.fas.org/irp/world/australia/docs/ncaaoc4.html

» Organized Crime Registry: Yakuza    Writer Miyuki Sundara explains the customs and activities of traditional Japanese organized crime.    http://members.tripod.com/~orgcrime/japgangint.htm

» The Japanese Mafia, Yakuza    Site explores the history, organization and practices of Japan's Yakuza organized criminal entities.    http://web.telia.com/~u31302275/yakuza.htm

» Wikipedia: Yakuza    Article describes the history, rituals and activities of the ethnic Japanese criminal society.    http://en.wikipedia.org/wiki/Yakuza