June Schwarcz, California
Donald J. Willcox, Body Jewelry, International Perspectives, Chicago, 1973, p. 69 for a similar example
Elizabeth Breckenridge, “Mary Lee Hu: High on the Wire,” Craft Horizons, April 1977, p. 42 for a similar example
Helen W. Drutt English and Peter Dormer, Jewelry of our Time: Art, Ornament and Obsession, New York, 1995, p. 305 for a similar example