Dean Six explored glass history and technologies in graduate school and has frequently written on the subjects. He has collected the wares of both well and lesser known glass companies for many years. He has long been a supporter of the West Virginia Museum of Glass. He has also authored Lotus: Depression Glass and Far Beyond; Viking Glass: 1944-1970; and West Virginia Glass Between the World Wars. He has coauthored American Machine-made Marbles and Popular American Marbles. All of these have been published through Schiffer Publishing, Ltd.

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