The island of Gotland specialized in the creation of richly ornamented box-shaped and animal-head brooches.
Private Collection(sale, Christie, Manson & Woods, London, 1980); Rainer Zietz Limited, London (sold 1982)
The Metropolitan Museum of Art. Notable Acquisitions, 1982-1983 (Metropolitan Museum of Art) (1983). pp. 16-17.
Thunmark-Nylén, Lena. "Viking Age Box Brooches: Technical Stratigraphy and Workshop Grouping." PhD diss., Institutionen for Arkeologi Distribution, 1983.
Parker, Elizabeth C. "Recent Major Acquisitions of Medieval Art by American Museums." Gesta 23, no. 1 (1984). p. 69, fig. 3.
Brown, Katharine R. Migration Art, A.D. 300-800. New York: The Metropolitan Museum of Art, 1995. no. 71, p. 48.
Wixom, William D., ed. Mirror of the Medieval World. New York: The Metropolitan Museum of Art, 1999. no. 66 C, pp. 50–51.
Brown, Katharine R., Dafydd Kidd, and Charles T. Little, ed. From Attila to Charlemagne: Arts of the Early Medieval Period in the Metropolitan Museum of Art. New York and New Haven: The Metropolitan Museum of Art, 2000. p. 317, 358, fig. 25.11.