Book: van den Bossche, Willy. 2001 Antique Glass Bottles: their history and evolution (1500-1850). 439.
• English bladder onions: pl. 31, p. 86Book: Kent, Barry C. 1984 Susquehanna's Indians.
• Nonlead wine bottles, some with seals, from 17th and 18th century Susquehanna indian sites in PA: pp. 226-7, fig. 59, dark green.