Places to explore:

Who's Who in Gold and Silver http://www.whoswhoingoldandsilver.com/

The Goldsmith's Company http://www.thegoldsmiths.co.uk/

The Silver Trust http://www.silvertrust.co.uk/

Extensive resource on metalsmithing http://www.metalcyberspace.com/

The World Gold Council http://www.goldinspirations.com/

Victoria and Albert Museum http://www.vam.ac.uk/

Lichfield Cathedral http://www.lichfield-cathedral.org/

The Fitzwilliam Museum, Cambridge http://www.fitzmuseum.cam.ac.uk/

The Crafts Council http://www.craftscouncil.org.uk/

The Society of American Silversmiths http://www.silversmithing.com/

James Dodd http://www.wildlifebronzes.co.uk/

Wenzel Jamnitzer http://darcy.luc.edu/highlights/walter.shtml/
http://www.bartleby.com/65/ja/Jamnitze.html/
http://www.contrepoints.com/geometrie/librairie/pythagore/pages/jamnitzer.html/
http://www.nexusjournal.com/Monza-fig06.html/