The Working Group Glass and Ceramics, is a working group of ICOM Conservation Committee,ICOM-CC  the largest of the International Committees of ICOM (International Council of Museums) . It  deals with the technology, deterioration, conservation, and restoration of glass and ceramic archaeological, utilitarian, decorative and artistic artifacts and objects. Faience and enamels are included in the materials. To promote conservation, the working group forms networks of experts, including conservators, conservation scientists, and curators. It disseminates information on current conservation research, practice, and education by electronic communication, meetings, and specialty groups.

   http://www.icom-cc.org/27/working-groups/glass-and-ceramics/