 He favoured the great masters of the sixteenth century.He made eighteen prints for the works of Raphael and his school, eleven prints for Michelangelo, fourteen for Giulio Romano and ten for Parmigianino.Primaticcio and Jacopino del Conte inspired one engraving work, Perino del Vaga inspired five, Poliodoro da Caravaggio was the source of two and Titian was the source for more than five.