Bryan, Michael, (revised by George Stanley) A Biographical and Critical Dictionary of Painters and Engravers, from the revival of the art under Cimabue, and the alleged discovery of engraving by Finiguerra, to the present time (London, H G. Bohn, 1849), page 662 online at books.google.co.uk (accessed 4 March 2008)
Cumberland, George, An Essay on the Utility of Collecting the Best Works of the Ancient Engravers of the Italian School (London, Payne and Foss, 1827) page 6 online at books.google.co.uk, accessed 12 July 2008