Bibliography Fenton Glass the First Twenty Five Years, by William Heacock Fenton Art Glass Identification and Value Guide, by Margaret & Ken Whitmyer Dugan/Diamond, The Story of Indiana, PA Glass, by William Heacock, James Measell and Berry Wiggins Wheeling Glass, Collection of the Oglebay Institute Glass Museum, by Gary E. Baker, G. Eason Eige, Holly Hover McCluskey, Jane Shadel Spillman, Kenneth M. Wilson Harry Northwood the Early Years, by William Heacock, James Measell, Berry Wiggins Harry Northwood the Wheeling Years, by William Heacock, James Measell, Berry Wiggins Encyclopedia of Colored Pattern Glass Book 5, by William Heacock, Fred Bickenheuser Encyclopedia of Victorian Colored Pattern Glass Book 6, by William Heacock Old Pattern Glass, by William Heacock Encyclopedia of Victorian Colored Pattern Glass Book II, Opalescent Glass from A to Z by William Heacock Encyclopedia of Victorian Colored Pattern Glass Book III, by William Heacock Encyclopedia of Victorian Colored Pattern Glass Book 9, by William Heacock Books One through Ten of Carnival Glass Patters by Marion T. Hartung Books One through Eight of Pattern Glass by Minnie Watson Kamm Early American Pressed Glass Patterns by Ruth Webb Lee Sandwich Glass by Ruth Webb Lee Nineteenth Century Art Glass by Ruth Webb Lee Pattern Glass by Mollie Helen McCain Pattern Glass by Bill Edwards Opalescent Glass editions One through Seven by Bill Edwards and Mike Carwile Decorative Victorian Glass, by Cyril Manley Sowerby Gateshead Glass, by Tyne and Wear Museums Service Collectable Glass Books 1, 2, and 4, by Theodore C. and Viola V. Lagerberg Phoenix Art Glass, by Leland Marple Coudersport Glass, by Tulla Majot Millersburg Glass, by Marie McGee Albany Glass, by Ron Teal, Sr. Yellow Green Vaseline, by Jay L. Glickman L.G. Wright Glass Company, by James Measell and W.C. Roetteis Butler Brothers Calalogs 1896 - 1906 Glass Collectors Digest Issues 1987 - 2001 Riverside Glass Works, by C.W. Gorham American Art Glass by John Shuman III, first and second editions Shades of Glass by Ken Humphrey Catalogs and various issues of AAG from the West Virginia Museum of American Glass, Ltd. Corning Museum of Glass Metropolitan Museum of Glass Sandwich Glass Museum A special thank you to all the authors listed here. They did the leg work. It's through their efforts that this Victorian Opalescent Glass Price Guide is possible.