ORIGINS of Japan's MAFIA - Early history of the YAKUZA
Irezumi: The Branding of the Yakuza
A Look Inside The Japanese Mafia: The Yakuza - Jetset Times
Manners and suit concealed true nature of deadly top yakuza boss
Yakuza, the Japanese mafia
A Brief Look at the History of the Yakuza - Japan Powered
The Yakuza Lobby – Foreign Policy
Inside The Yakuza, The 400-Year-Old Mafia Of Japan
A HISTORY OF JAPAN IN MANGA SAMURAI, SHOGUN AND WORLD WAR II – Buds Art Books
Japan Attacks Yakuza Crime Syndicates via Banking System - Bloomberg