Because each country has its own history and even its own style when it comes to glass, we are going to start research by country. We will also be adding a mark dictionary as soon as we can if you don't know what country you are looking for.

This is an ongong project. Right now the framework is being built. Few links work and there is little information at this point. Bookmark this page and check back often because as soon as the framework is done, information will begin to be added.