Below is a collection of tutorials, shops and various things I have found useful while learning and developing my craft. Perhaps you'll discover something new!
Fine Fiber Press and Studio - yarns, books, fibers, tools (weaving and felting)
Aubusson House - tapestry yarns
Woolery - fibre arts supplier (knitting | crochet, spinning, weaving)
John and Joy Moss - wood and brass tapestry bobbins