Saint Peter: Prince of the Apostles and First Pope of the Holy Roman Catholic Church

Saint Peter from the Catholic Encyclopedia

Was Peter the first Pope? From Fisheaters

The Primacy of Peter from Scripture Catholic

The following are articles from Catholic Answers:

Origins of Peter as Pope

Peter and the Papacy

Peter the Rock

Peter's Primacy

Peter's Roman Residency

Peter's Successors

Was Peter in Rome?