The Catholic Church further asserts that “Christ established that Peter should have perpetual successors in this primacy; and that the Roman bishops are these successors. ” ​ — New Catholic Encyclopedia (2003), Volume 11, pages 495 - 496.
وأساقفة روما هم هؤلاء الخلفاء » .‏ —‏ دائرة المعارف الكاثوليكية الجديدة ‏ (‏ ٢٠٠٣ )‏ ،‏ المجلد ١١ ،‏ الصفحتان ٤٩٥ -‏ ٤٩٦ .‏