Mail-Artists
Blackspacs
Luc Fierens &. Annina Van Sebroeck
Mail Art Russia
Ryosuke Cohen
Ivan Zemtsov
Planet Susannia
Daniel Eatock - Postcards
Frips Mail-Art
Johannes J. Musolft
Mick Boyle
Keith Bates
Mail-Art Calls
Joana Niemeyer - My World Projetk
"Post Secret" Art Call by Frank Warren
Artistampnews.com
Mailart.de
The Museum of Temporary Art
Artists
Martin Maurer
IAT - Institute of General Theory
Fiona Raby
Katya Bonnenfant
Georg Winter
Ulrich Bernhardt
Jackie Sumell
Ziad Saad
smaq Architecture
Hans-Werner Klohe
Michael Guggenheim
Barecode Art
Frederic Weigel
Graffiti Research Lab - Poscard
The Anti-Advertising Agency
institute for transacoustic research
Kuda.org Novi Sad, Serbia
Institutions
Merz Akademie Stuttgart - Germany
Akademie Schloss Solitude, Stuttgart - Germany
The Lab, San Francisco - USA
Outpost L.A. - USA
Oberwelt e. V. - Germany
Admin
grn-mail.com/ndxz-studio