Spindlitis
Wheels, drop spindles, supported spindles. Reviews, instructions, vendors.

Trembling Prairie Station
Information on working with Shetland wool, making fine yarn, basic knitting instructions and patterns for using handspun.

Washing Fibers
Contains directions for using washing machine or large tub.

Washing Wool by Tom Beaudet
Technical overview of properties of soap versus detergent, scouring, felting, and fulling in textile mills.