Here are some suppliers and sources of undyed yarns and spinning fibres
AmphibiaKnits
Spinning Fibre Hand-Dyed Spinning Fibre by SweetGeorgia Yarns
Spinning Courses, Learn to Spin Yarn Online
Spiral Grain Sport by Urth Yarns
Breed Study :: Coopworth – Wool n' Spinning
Corriedale Spinning Fibre Hand-Dyed Spinning Fibre by
Corriedale Spinning Fibre Hand-Dyed Spinning Fibre by
Spinning Fibre Hand-Dyed Spinning Fibre by SweetGeorgia Yarns
SheepSoft DK by ByLaxtons, British Wool
Why is hand dyed yarn always merino wool? : r/YarnAddicts
School of SweetGeorgia Learn to Weave, Spin, Knit, and Dye
School of SweetGeorgia
Yarn Australia, Knitting Crochet & Spinning
Corriedale is a cross between English Leicester or Lincoln and Merino, so you’ll see characteristics like softness and crimp mixed with medium-long
Corriedale Spinning Fibre
Spiral Grain Light Worsted by Urth Yarns
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