These link to other sites you may find useful.

• Department of Materials Science & Engineering, University of Sheffield
  
  
• National Glass Centre, Sunderland
  
  
• The World of Glass, St. Helens
  
  
• Broadfield House Glass Museum, Kingswinford
  
  
• Corning Museum of Glass
  
  
• Victoria and Albert Museum, London
  
  
• Society of Glass Technology
  
  
• The Stained Glass Museum
  
  
• The Worshipful Company of Glaziers & Painters of Glass
  
  
• Association Internationale pour l'Histoire du Verre
  
  
• The Glass Circle
  
  
• The National Gallery Museum
  
  
• The Association for the History of Glass
  
  
• Mart van Schijndel Foundation
  
  
• Murano's Glass Museum