Hiding messages in hotels since 2006
Graffiti Art of the City, From the Bronx to Brooklyn
Graffiti Mecca 5Pointz Whitewashed Overnight
Humorous Street Art and Urban Interventions by SpY
“City as Canvas: Graffiti Art from the Martin Wong Collection”: See Some of the Greatest Graffiti Relics from 1980s New York
Can Graffiti Be Copyrighted?
Newcastle graffiti 2014, 2013, 2012, 2011 and 2010. From Flickr user apwbATTACK
10 Pieces of Nasty Ancient Graffitti - Now Translated!
The Brilliantly Colored Graffiti Murals of El Salvador