TopReference.com offer reference website links to browse for education, libraries, dictionaries, colleges, universities, k-12, language schools, book and magazines.

Decorative

Listings
Photos of decorative knotwork from around the world.
http://www.knotical-arts.com/
Covers the flower knot, treasure knot, chinese button knot, and double connection knot. Photos and instructions.
http://www.chineseknotting.org/
A resource for traditional hand made bellropes and sea chest beckets. Custom knotwork orders are accepted.
http://www.marlinespike.com/
Gallery of Chinese knotted items. Includes an introduction to the craft and instructions for making knots.
http://www.knottingartist.com/