Yarn Types: Wool vs Cotton vs Acrylic – The 30 Year Old Grandma
Big Love Cotton | Wool and the Gang
The best knitting yarn for beginners: The best materials & weights
Amazon.com: Superwash Merino Wool and Cotton Yarn for Knitting and Crocheting, 3 or Light, Worsted, DK Weight, Drops Cotton Merino, 1.8 oz 120 Yards per Ball (26 Storm Blue)