which trains papal diplomats. See also Cardinal protector of England Cardinal-Infante (disambiguation) Cardinal-nephew Crown cardinal Lay cardinal References Bibliography Piatti, Girolamo (Hieronymus Platius), Tractatus de cardinalis dignitate et officio 4th edition edited by Giovanni Andrea Tria (Rome, 1746), pp. 423–436. Humphrey, William, SJ, Urbis et Orbis: Or, The Pope as Bishop and as Pontiff (London: Thomas Baker 1899). Wodka, Josef (1938). Zur Geschichte der nationalen Protektorate der Kardinäle an der römischen Kurie (Innsbruck-Leipzig 1938). Wicki, J. (1959). "Rodolfo Pio da Carpi, erster und einziger Kardinalprotektor der Gesellschaft Jesu," Miscellanea Historiae Pontificiae (Rome, 1959), pp. 243–267. Forte, Stephen L. Cardinal-Protector of the Dominican Order (Roma 1959). Poncet, Olivier (2002), "The Cardinal-Protectors of the Crowns in the Roman Curia during the first half of the Seventeenth Century: The Case of France," , pp. 158–176. Faber, Martin (2004), "Gubernator, protector et corrector. Zum Zusammenhang der Entstehung von Orden und Kardinalprotektoren von Orden in der lateinischen Kirche," Zeitschrift für Kirchengeschichte 115 (2004) 19-44. Cotta-Schønberg, Michael (2012). "Cardinal Enea Silvio Piccolomini and the Development of Cardinal Protectors of Nations." Fund og Forskning i Det Kongelige Biblioteks Samlinger, 51, pp. 49-76. Witte, Arnold (2020). "Cardinal Protectors of Religious Institutions", in Mary Hollingsworth, Miles Pattenden and Arnold Witte, eds. A Companion to the Early Modern Cardinal. Leiden/Boston: Brill, pp. 124-143. Marceau, Bertrand (2020). "Cardinal Protectors and National Interests", in Mary Hollingsworth, Miles Pattenden and Arnold Witte, eds. A Companion to the Early Modern Cardinal. Leiden/Boston: Brill, pp. 198-210.