YDKWYDK: A guide to yarn weights | Welcome to the Craft Yarn Council
Yarn Weight Chart and Guide - Sarah Maker
Amazon.com: Cotton Blend Yarn for Knitting and Crocheting, 3 or Light Worsted, DK Weight, Drops Cotton Light, 1.8 oz 115 Yards per Ball (31 Pearl Grey)
Yarn Ball of U.S. Organic Cotton Sport Weight-3 oz/194 yd/177m – Appalachian Baby Design
Amazon.com: Cotton Blend Yarn for Knitting and Crocheting, 3 or Light, Worsted, DK Weight, Drops Cotton Light, 1.8 oz 115 Yards per Ball (01 Off White)