http://www.nordicartbooks.com - Art Consulting Scandinavia, an online catalog of books on Scandinavian art and architecture, including metalwork and jewelry.

http://www.jmcohenrarebooks.com - Books on the decorative and
applied arts, focusing on books, manuscripts, periodicals, and original
drawings related to fashion, costume, textiles and jewelry.

http://www.coastside.net/msinfobooks/jewelsi.html - Ms. Information, out-of-print, new and used books on antiques and collectibles, jewelry book subject index

http://www.gia.edu/- GIA Online BookStore

www.abebooks.com/home/twelfthstreetbooks  - Lillian Cole, Twelfth Street Booksellers, used, out of print, and rare books on jewelry and gemology.