Harrisville Designs - Koehler Tapestry Yarn for Tapestry Looms – Harrisville Designs, Inc.
Amazon.com: Crafteza Cotton Warp Thread for Weaving - 1 Spool of 8/4 Warp Yarn (850 Yards) Made in India - 100% Unmercerized Cotton - Natural/Off White Loom Warp Thread Perfect for Weaving Rugs, Carpets,Tapestry
Ashford Unmercerized Cotton Yarn - The Websters
Beam 3/2 Organic Cotton Weaving Yarn - Gist Yarn
Ashford Mercerized Cotton Yarn - The Websters
Valley Yarns 3/2 Mercerized Cotton Weaving Yarn, #3 Crochet Thread, 100% Cotton - #2550 Nautical Blue - Walmart.com