◇ Graffiti Archaeology
http://otherthings.com/grafarc/
◇ Legal Wall
http://legalwall.komposition.org/index.php
◇ X-COLOR / グラフィティ in Japan
http://pingmag.jp/J/2005/10/17/x-color-graffiti-in-mito/
◇ The Ghetto
http://www.theghettotokyo.com/
