below image, lower center in brown ink: Soffitto; lower left verso in graphite: 493858
(Yvonne tan Bunzi); acquired 1991 by NGA.
- Fanciful Flourishes: Ornament in European Graphic Art and Related Objects, 1300-1800, National Gallery of Art, Washington, 1994.
- Bunzi, Yvonne tan and Kate de Rothschild, Master Drawings. London, 1990: 22.