Hans Thoma <> BLOGSPOT 111/2022 by 0700POLYGRAF <> https://web.archive.org/web/20100315173729/http://www.polygraphicum.de/Lithographie.html

https://www.youtube.com/watch?v=bOfiv9bQTns

https://web.archive.org/web/20100315173729/http://www.polygraphicum.de/Lithographie.html BLOGSPOT 111/2022 by 0700POLYGRAF Hans Thoma Farblithographie 'Frühling' https://sites.google.com/site/linden1artconsult/artconsult https://www.youtube.com/watch?v=bOfiv9bQTns