on rock in image: Ex. Tabella / a Paulo Calliari Veron / depicta penes J: Smith Ven / J: B: Jackson Del Sculp & excud / 1741
Mary Jordan Collection.  (Frederick Mulder, London); Ruth Kainen, Washington, D.C., purchased October 20, 1986; Gift to NGA, 2012.
- Kainen, Jacob. John Baptist Jackson; 18th century master of the color woodcut. Washington, 1962: no. 28