The fleece & fiber sourcebook : more than 200 fibers from animal to spun yarn

by Robson, Deborah.
Published 2011

The field guide to fleece : 100 sheep breeds and how to use their fibers

by Robson, Deborah.
Published 2013

Knitting in the old way : designs & techniques from ethnic sweaters

by Gibson-Roberts, Priscilla A.
Published 2004