An Francobollo Visto Dalla Mail-Art (2016) on March 08, 2026 Artistamps. Ruud Janssen Breda Italian Netherkands +
IUOMA on NING groups on March 02, 2026 Archive Breda Groups Information IUOMA Mail-Art Netherkands Network NING Ruud Janssen Structure +
ASK anything on March 02, 2026 Answers Archive Ask Anything Breda Historic IUOMA IUOMA network Netherlands NING Questions Ruud Janssen +
Mail-Interview with Ruud Janssen by Hans-Ruedi Fricker on February 24, 2026 H.R. Fricker. Netherlands Hans-Ruedi Fricker Interviews Mail-Interview Mail-Interview Project Ruud Janssen Switserland +
Mail-Interview with Ruud Janssen by Dobrica Kamperelic on February 24, 2026 Dobrica Kamperelic Interview Mail-Interview Mail-Interview Project Netherlands Ruud Janssen Yugoslavia +