Wild Paper Celtic & Medieval card designs using Natural Dyes and paper made by the artist together with fabrics dyed with Woad, Weld and Madder, and other plant dyes - Wildpaper Handmade Greeting Cards
All about Woad All you ever wanted to know about Woad. The history, cultivation, extraction and use of the pigment etc - http://www.woad.org.uk
Wild Colours Natural dyes and dye plants - how to grow and dye with them Wildcolours Natural Dyes