The New York Silver Society http://www.newyorksilversociety.org
The Silver Society (England) http://www.thesilversociety.org
The Australian Silver Society http://www.silversociety.com.au
ASCAS online http://www.ascasonline.org/
Excellent site about visiting and calling card cases: http://www.thecardcaseforum.co.uk
The Wine Label Circle http://www.winelabelcircle.org
Louis Wine Ltd, Toronto http://www.louiswine.com
Herman Silver Restoration & Conservation http://www.hermansilver.com, An excellent site for learning about the restoration process and the care of silver.