Yarns in Textiles: A complete guide with pictures, by Dinesh Exports
Yarn from animal fibers - Knitandnote
Yarn and Fiber – A Fiber Collective
Madison Wool Tour - a Fantastic Yarn and Fiber Shop in Madison Connecticut
How to identify mystery yarn
Blue Sky Fibers Skyland 2402 Meridian – Wool and Company
KNIT-SINGLE-WORKSHOP — PINE + PIGMENT
Maine Yarn and Fiber – Heavenly Yarns / Fiber of Maine
Choosing the Right Yarn
11 Common Yarn Types - Understanding Yarn Fiber - TL Yarn Crafts
Naturally dyed merino, bamboo, and silk fiber blend — Color Me Happy Fiber Arts Studio
Yarn and Color: Alchemy or Science? - Jill Wolcott Knits