History of glass - Wikipedia
Tortoiseshell Glass information from the Glass Encyclopedia
History of Murano Glass Making - 20th Century
Japanese Kamei Glass
20th Century Glass | Antique & Collectable Glass Shop + Encyclopedia | Glass collection, Glass paperweights, Aseda
The Encyclopedia of Heisey Glass 1925-1938 by Neila Bredehoft | Chairish
Glass Reference Database | Identification Guide + Gallieries
20th Century Glass | Antique & Collectable Glass Shop + Encyclopaedia
The Collector's Encyclopedia of Indiana Glass
e-WV | Glass Industry
Cloud Glass information from the Glass Encyclopedia
Late 20th Century Abstract Ice Glass Bowl | Chairish
The History of Carnival Glass, the 20th Century Collectible Making a Comeback | Apartment Therapy
The Collector's Encyclopedia of Indiana Glass
Glass Marks Encyclopedia 1600 - 1945 (Hardcover) - Walmart.com
Stained glass - 20th Century Revival, School of Paris Painters, and Post-WWII German School | Britannica
Glass | Definition, Composition, Material, Types, & Facts | Britannica
L.G. Wright and the Tangled Web of Modern American Glass– The Copper Elm
Glass Reference Database | Identification Guide + Gallieries
L.G. Wright and the Tangled Web of Modern American Glass– The Copper Elm
Antique Glass Marks Value (Identification & Price Guides)
Rudolfova Glass Identification Guide | Glass Encyclopaedia
