German historical knitting The History of Knitting at the American Red Cross Museum The Viking Age Nålebinding page has excellent photos of techniques used during the Viking age (around 800-1066 C.E.) An online tutorial on naalbinding, with pictures and descriptive text The Conserve-O-Gram website has protocols for preserving textiles as well as other forms of media Medieval Muslim knitting by Lilinah biti-Anat. She has photos of her own work, scans of the original pieces she studied, and patterns, tips, and resources for doing it yourself "Home work: a choice collection of useful designs for the crochet and knitting needle : also, valuable recipes for the toilet."