| | *Mazza, Enrico (2004). The Eucharistic Prayers of the Roman Rite. Liturgical Press. p. 63. ISBN 9780814660782. | | *Mazza, Enrico (2004). The Eucharistic Prayers of the Roman Rite. Liturgical Press. p. 63. ISBN 9780814660782. |
| | *O'Malley, John W. (2009). A History of the Popes. Government Institutes. p. xv. ISBN 9781580512275. | | *O'Malley, John W. (2009). A History of the Popes. Government Institutes. p. xv. ISBN 9781580512275. |
| − | *Schatz, Klaus (1996). Papal Primacy. Liturgical Press. pp. 28–29. ISBN 9780814655221. </ref>. The earliest record of the use of this title was in regard to the by then deceased Patriarch of Alexandria, Pope Heraclas of Alexandria (232–248)<ref>Eusebius, Historia Ecclesiastica Book VII, chapter 7.7</ref>. The earliest recorded use of the title "pope" in English dates to the mid-10th century, when it was used in reference to Pope Vitalian in an Old English translation of Bede's Historia ecclesiastica gentis Anglorum<ref>"pope, n.1". OED Online. September 2011. Oxford University Press. 21 November 2011</ref>. | + | *Schatz, Klaus (1996). Papal Primacy. Liturgical Press. pp. 28–29. ISBN 9780814655221. </ref>. The earliest record of the use of this title was in regard to the by then deceased Patriarch of Alexandria, Pope Heraclas of Alexandria (232–248)<ref>Eusebius, Historia Ecclesiastica Book VII, chapter 7.7</ref>. The earliest recorded use of the title "pope" in English dates to the mid-10th century, when it was used in reference to Pope Vitalian in an Old English translation of Bede's ''Historia ecclesiastica gentis Anglorum''<ref>"pope, n.1". OED Online. September 2011. Oxford University Press. 21 November 2011</ref>—however, in the particular case of Vitalian, the term was used [[Irony|ironically]] as a form of [[sarcasm]]. |