Resources
Research
Details of research groups worldwide
Data
Various aspects of physical data relating to chalcogenides and chalcogenide compounds
Discussion Groups
A list of discussion groups that relate to chalcogenide based topics and associated science. Some groups have low traffic (due to the somewhat niche nature of the discussions therein) but tht doesn't mean they're dead. Infact, some will give you access to some core experts in the field.
Books
A list of useful books on the topic of chalcogenides, with a small paragraph describing each, their ISBN and links to amazon for further information and pricing.