4 links
Clarissa Cochran - Shibori
indigosilks.co.uk
Photos and description of basic shibori techniques, biography and workshop information.
Fiber Antics
sunshinecable.com
Covers basics of color theory, vat immersion, direct application and fabric embellishments.
Orchil Dye
ravensgard.org
The poor person's purple. An article speculating on the history of this coloring, including bibliography and experimentation.
Paula Burch's Hand Dyeing on Fabric Pages
pburch.net
Gallery and how to tie-dye, batik, and dye by many other techniques including low water immersion, dip dyeing, and sprinkle dyeing.