Pope Benedict XVI's theological act of renouncing the title of "Patriarch of the West" had as a consequence that the "patriarchal basilicas" are now officially known as "papal basilicas.
Truy cập ngày 18 tháng 2 năm 2016.  ^ Pope Benedict XVI's theological act of renouncing the title of "Patriarch of the West" had as a consequence that the "patriarchal basilicas" are now officially known as "papal basilicas. ^ “Basilica Papale” (bằng tiếng Ý).