Book: Mikhailova, Olga E. 1974 Spanish Glass in the Hermitage/Spanisches Glas aus der Ermitage.
• Similar flask without handles: col. pl. 53 & no. 71 (caption), Granada or Almeria province, Spain, 18th century. Passim for many pieces with similar ornamentBook: van den Bossche, Willy. 2001 Antique Glass Bottles: their history and evolution (1500-1850). 439.
• Spanish flask decorated in same taste but differing in details: p. 237, pl. 187, similar coloring and approach to pincered broad threads. c. 1750, noting similar type also made in Norway 1790-1830..Book: Charleston, Robert J. 1990 Masterpieces of Glass: A World History from the Corning Museum.
• Earlier Spanish vase with similar design features: pp. 132-33, no. 58, Spanish, probably Andalusia, 16th or 17th century.Book: Page, Jutta-Annette. 2004 Beyond Venice: Glass in the Venetian Style, 1500-1750.
• Four-handled vase in generally similar style: p. 110, fig. 28, Spain, Andalusia, probably Almeria, c. 1550-1650. See another on p. 141, no. 16.