title: Bernhard van Treeck
text: # Bernhard van Treeck
  
  Bernhard van Treeck (born 5 February 1964, Kempen, Niederrhein) is a German psychiatrist and has led a clinic specialised in addictions and drug-dependency. As an author he has written several books on graffiti, street-art, drugs and addiction.
  
  ## Works
  
  * Piratenkunst (Pirate art 1994)
  * Das große Graffiti-Lexikon (The big graffiti lexicon)
  * Street-Art Berlin – legale und illegale Kunst im Stadtbild (1999)
  * Street-Art Köln – legale und illegale Kunst im Stadtbild (1996)
  * Wandzeichnungen (Wall-drawings)
  * Writer-Lexikon – American Graffiti (1995)
  * Pochoir- die Kunst des Schablonengraffiti (Pochoir -The art of stencil graffiti, 2000, with S. Metze-Prou)
  * Graffiti-Art #8 (1998)
  * Graffiti Art Deutschland #9 (1998)
  * Hall of Fame – Writing in Deutschland (1995, with M. Todt)
  * Wholecars – Graffiti auf Zügen (Wholecars – Graffiti on trains, 1996)
  * Graffiti-Kalender, edition aragon (editor 1991 – 1997)
  * Partydrogen (Party drugs, 1997)
  * Der Drogennotfall (The drug case)
  * Drogen- und Suchtlexikon (Lexicon of drugs and addictions)
  * Das große cannabis-Lexikon (The big cannabis Lexicon, 2000)
  * Drogen (Drugs)
  * Collaborated on Graffiti-Dortmund and Arbeiten zur Spraybanane 1986 – 1996 (Works on the spray banana).
  