Leonardo da Vinci: Painter at the Court of Milan, by Luke Syson, Larry Keith et. al., London , exh. cat. London 2011, pp. 282-3, 298-303, cat. no. 91.
- A pdf version of the catalogue entry.
- Leonardo (revised edition) Oxford 2011, especially pp. 208f, pl. 19. Available for purchase here from Oxford University Press and also here on Amazon.com.
- Christ to Coke; How Image Becomes Icon, Oxford 2012, especially pp. 35f, fig. 1.12. Available for purchase here from Oxford University Press and also here on Amazon.com.
- “Sight and Salvation,” in Nature, vol. 479, November 11, 2011, pp. 174-5.
Dianne Dwyer Modestini, Nica Gutman Rieppi and Robert Simon presented papers at the conference "Leonardo da Vinci: Recent Technical Finds and Discoveries," organized by the Conservation Center of the Institute of Fine Arts in New York on February 18, 2012.
- For a report on the conference, see Sophie Scully and Caitlin Breare, "Leonardo from London to New York; Two Conferences on Recent Technical and Historical Discoveries," NYU-IFA Conservation Center Newsgram, April 2012.