St peter verona hi-res stock photography and images - Alamy
Jean-Ferdinand Chaigneau's etching, “Le Petit Troupeau”, 1863–64 - Prints and Principles
Bryan, Michael: ˜Aœ 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 times with