Richard Cosway [1740/42-1821], London (Lugt 629); Michael Jaffé, Somerset, England; purchased by NGA, 1996.
- Building a Collection, National Gallery of Art, Washington, 1997-1998, no. 10, as A Man Watching Putti Dissect an Eye.
- Jaffé, Michael. "Rubens and Optics: Some Fresh Evidence." Journal of the Warburg and Courtauld Institutes 34(1971): 363, fig. 61c.