Williamson, G. (1910). Jan Stephanus van Kalcker. In The Catholic Encyclopedia. New York: Robert Appleton Company. Retrieved May 24, 2010 from New Advent: http://www.newadvent.org/cathen/08593b.htm Cita como fuentes LOMAZZO, Trattato dell' Arte della Pittura, etc. (Milan, 1584); VAN MANDER, Le Livre des Peintres (Paris, 1884), ed. HYMANS; VASARI, Vite de' piu eccelenti pittori (Florence, 1550); also ed. MILANESI (Florence, 1878-85). Pueden verse los grabados de la obra de Vasari en commons: