==Notes====References==* Levillain, Philippe, "The Papacy: Gaius-Proxies", Routledge (2002)* Mann, Horace K., "The Lives of the Popes in the Early Middle Ages, Vol.
* Levillain, Philippe, The Papacy: Gaius-Proxies, Routledge (2002)* Mann, Horace K., The Lives of the Popes in the Early Middle Ages, Vol.