Book: Bickerton, L. M. 1986 Eighteenth Century English Drinking Glasses: An Illustrated Guide. 431.
• Similar opaque-twist stemmed wine glass, c. 1765: no. 647, p. 217Book: Volk, Joyce Geary. 2006 The Warner House: A Rich and Colorful History.
• Excavated shards of 18th century English opaque twist, baluster, and knop stems from Warner House, Portsmouth, NH: p. 85, fig 7.12