Mail-Art or Fluxus? (2007) on February 14, 2026 2007 Brochure Fluxus Mail-Art Old Texts Ruud Janssen Wikipedia +
Mail-Interview with Carlo Pittore (USA) on February 14, 2026 Breda Carlo Pittore Interview Mail-Art Mail-Interview Netherlands Painter Ruud Janssen USA +
New York (2010) on January 05, 2026 Fluxus John Held Jr. Lecture Mail-Art New York Rubberstamps Ruud Janssen Stendhal Gallery Tam Rubberstamp Archive USA +
Official IUOMA postage 25 years celebration. on December 26, 2025 Artistamps IUOMA IUOMA Postage Litsa Spathi Mail-Art Netherlands PostNL Ruud Janssen +