"Ces Usi" Ces53 - UsiGroningen
"Graffiti in Groningen" Groninger MuseumGroningen
"Early days of wallwriting," Groningen 1978 - 1992Groningen
"Various Pieces" Various WritersGroningen
"Nieuwsblad van het Noorden" ArticleGroningen
"Golden Era" GroningenGroningen
"Piecename Unknown" Writer UnknownGroningen
"Character" Writers UnknownGroningen
"Various Pieces" OreaGroningen
"Door featuring tags by graffiti" writers from New York & GroningenGroningen
"Phase2" Phase2Groningen
"Unknown" WritersGroningen
"Blade, Mickey, Quik" Blade, Mickey & QuikGroningen
"Zeph!" ZephyrGroningen
"Showcase" Various ItemsGroningen
"Various Pieces" MickeyGroningen
"Various" QuaskGroningen