This book of yarn is the single most comprehensive guide to help you better understand the fiber that you work with.
The Knitter's Book of Yarn by Clara Parkes: 9780307352163
yarn — Making Stuff: Karie Westermann's Blog — Karie Westermann
CH 157: Stash Appreciation: My Stash Tells a Story - Curious
Every Which Way Crochet Borders: Book Review
Modern Tapestry Crochet: Book Review and Interview with Alessandra
Interviews American Crochet Association
A Stash of One's Own: Knitters on Loving, Living with, and Letting
American Crochet Association
Podcast Episode 67: Clara Parkes and Stashing Yarn
The Knitter's Book Of Yarn - The Websters
The Knitter's Book of Yarn by Clara Parkes - Around the Table Yarns
Episode 94 - Clara Parkes - Vanishing Fleece - Fruity Knitting