Salem Community College Glass Education Center
http://www.salemcc.edu/glass
British Society
http://www.bssg.co.uk
Assocation of German Glassblowers e.V
http://www.vdg-ev.org
Scottish Glass Society
http://www.scottishglasssociety.com
Australian and New Zealand Society
http://www.sgsanz.org.au
Japanese Society
Tokyo Rikagaku Glass Kumiai
http://www.trgk.jp
