The Roman Pontiff, successor of the blessed Peter, and the vicar of Jesus Christ, keeper of the keys of the heavenly Kingdom, of all regions of the world, and of all of the nations and those who dwell in them, … (4 April 1417).
Stationed on the lofty watchtower of the church militant, the Roman Pontiff, Blessed Peter’s successor, keeper of the keys of the heavenly kingdom, and the Vicar of Jesus Christ, having fullness of power and privileges over all the churches and monasteries and other religious places of the world in the manner of the Shepherd, the eyes of His providence over the whole world, the nations and all of those who dwell in them, … (10 June 1420).
We likewise define that the holy Apostolic See, and the Roman Pontiff, hold the primacy throughout the entire world; and that the Roman Pontiff himself is the successor of blessed Peter, the chief of the Apostles, and the true vicar of Christ, and that he is the head of the entire Church, and the father and teacher of all Christians; and that full power was given to him in blessed Peter by Our Lord Jesus Christ, to feed, rule, and govern the universal Church; just as is contained in the acts of the ecumenical Councils and in the sacred canons.”
Source: Pope Eugene IV, Papal Bull Laetentur Caeli, dated July 6th, 1439. Second Latin source, The Council of Florence, see pgs. 414-415.
See also: Denzinger, The Sources of Catholic Dogma, Translated by Roy J. Deferrari, from the Thirtieth Edition of Henry Denzinger’s Enchiridion Symbolorum, published by Herder & Co., Copyright 1954, page 220 (pg. 252 in reader), #694.
On the above papal medal (Mazio 13, Spink 342) issued by Pope Callistus III (1455-58), the reverse side reads OMNES REGES SERVIENT EI, a quote of Daniel 7:27 from the Latin Vulgate, which when translated in the Catholic Douay Rheims reads “ALL KINGS SHALL SERVE HIM”. The scripture refers to God, but the papal triple-tiered tiara portrayed above the cross clearly symbolizes papal authority, that the papacy is God’s designated representative, having authority even over the kings of the earth, just as the above excerpts show. http://www.aloha.net/