==Notes====References==* Partner, Peter, "The Lands of St. Peter: The Papal State in the Middle Ages and the Early Renaissance" (1972)* Mann, Horace K., "The Lives of the Popes in the Early Middle Ages, Vol.
*Partner, Peter, The Lands of St. Peter: The Papal State in the Middle Ages and the Early Renaissance (1972)*Mann, Horace K., The Lives of the Popes in the Early Middle Ages, Vol.