Richard P. McBrien, Essays in Theology
(254-57)...Stephen I seems to have been the first pope to have appealed to the classic "you are Peter' text in Matthew's Gospel (16:18) as the basis for Roman primacy...Peter was not regarded as the first Bishop of Rome until the late second or early third century (McBrien, Richard P. Lives of the Popes: The Pontiffs from St. Peter to Benedict XVI. Harper, San Francisco, 2005 updated ed., pp. 27,28).
Richard P Mcbrien Essays In Theology
McBrien Liberation theology has come under sustained scrutiny in recent months.12/05/11 "Penn State and the Catholic Church" Week of December 5, 2011 ESSAYS IN THEOLOGY By Rev.
Pope Vitalin...supported efforts of the king of Northumbria, following the Synod of Whitby (664), to establish in England the Roman, as opposed to the Celtic, date for Easter (that is the Sunday after the Jewish Passover, rather than the Passover itself) and other Roman practices as well. (McBrien, Richard P. Lives of the Popes: The Pontiffs from St. Peter to Benedict XVI. Harper, San Francisco, 2005 updated ed., p.109).