Has the Mafia ever fought with the Yakuza or Triads? - Quora
How are the Yakuza and Triad gangs still around when they're so well known and referenced in many movies? - Quora
Who would win in a street fight: Chinese Triads or Japanese Yakuza? Why? - Quora
Tattoos in Japan: Why they're so tied to the yakuza - BBC News
How are the Yakuza and Triad gangs still around when they're so well known and referenced in many movies? - Quora
The rise and fall of the yakuza, Japan's ruthless mafia gangs
Yakuza (video game) - Wikipedia
Triads, Shadowrun Wiki
How are the Yakuza and Triad gangs still around when they're so well known and referenced in many movies? - Quora
The Korean Underworld: From its birth to its rise and current state of criminal affairs - Blog 2.0 - Gangsters Inc. - www.
Tattoos in Japan: Why they're so tied to the yakuza - BBC News
The trial of a yakuza boss ends with a death sentence … and a threat - The Japan Times
Has the Mafia ever fought with the Yakuza or Triads? - Quora