J.J.ROUSSEAU.ORG à Genève <> https://www.sjjr.ch <> carte de membre peter august helm eberbach am neckar <> https://web.archive.org/web/20091122011259/http://www.polygraphicum.de/rousseau%20und%20voltaire.html <> peter august helm eberbach am neckar <> peter.helm@polygraphicum.net <> SEMPER APERTUS since 1980

POLYGR@PHICUM <> peterhelm https://www.youtube.com/watch?v=e3EZD1aTdCE youtube

<> J.J.ROUSSEAU.ORG à Genève carte de membre peter august helm eberbach am neckar peter.helm@polygraphicum.net SEMPER APERTUS since 1980 POLYGR@FICUM <> https://sites.google.com/site/zemxzeo/art-peter-helm-kunst