Richards 1979, p. 128. Richards, Jeffrey (1979). The Popes and the Papacy in the Early Middle Ages, 476–752. London; Boston: Routledge and Kegan Paul. ASINB01FIZI4RW.
Richards 1979, p. 133. Richards, Jeffrey (1979). The Popes and the Papacy in the Early Middle Ages, 476–752. London; Boston: Routledge and Kegan Paul. ASINB01FIZI4RW.
Richards 1979, p. 129. Richards, Jeffrey (1979). The Popes and the Papacy in the Early Middle Ages, 476–752. London; Boston: Routledge and Kegan Paul. ASINB01FIZI4RW.
Richards 1979, p. 132. Richards, Jeffrey (1979). The Popes and the Papacy in the Early Middle Ages, 476–752. London; Boston: Routledge and Kegan Paul. ASINB01FIZI4RW.
Richards 1979, p. 130. Richards, Jeffrey (1979). The Popes and the Papacy in the Early Middle Ages, 476–752. London; Boston: Routledge and Kegan Paul. ASINB01FIZI4RW.