- twitter.com LynnBaileyPrint/status/…Printmakers around the world are saddened to hear of sudden death of Keith Howard of” Nontoxic #Printmaking” fame. http://nontoxicprint.com/thecontemporaryprintmaker.htm…
- vk.com @graphicsismyreligion-litografiya-na-…Оригинал: https://www.nontoxicprint.com/polyesterplatelitho.htm.