Encyclopedia of Victorian Colored Pattern Glass, Book 6 (Oil Cruets From A to Z )

Encyclopedia of Victorian Colored Pattern Glass: Book IV : Custard Glass from A to Z

Encyclopedia of Victorian Colored Pattern Glass: Book II : Opalescent Glass from A to Z/With Price Guide

Opalescent Glass from A to Z

Harry Northwood: Early Years, 1881-1900

Encyclopedia of Victorian Colored Pattern Glass, Book 9: Cranberry Opalescent from A to Z