Anik,
it is not like to say "hello". Possibly exist information about ZBS, maybe I know where to ask, but my day has 24 hours plus night, unfortunately.
My Czech glass collectors collegues are interested in to get pieces, only few of them, in fact one - Max Velcovský effectively helps me collect informations.
I am sure, that colour scale used in ZBS is perfectly documented, if you wan to join our research team please focus your questions directly to Mr. Dr. Petr Nový from Jablonec museum. He is the best person who can focus you forward in your research. You can mention my name, possibly it will help.
petr.novy - at - msb-jablonec.cz
Jindrich
www.webareal.cz/ceskoslovenskesklo