Leo XIII – Testem Benevolentiae

An Apostolic Letter of Leo XIII to Cardinal Gibbons of Baltimore concerning Americanism
Gregory XVI – Mirari Vos

An encyclical of Gregory XVI concerning Indifferentism and Liberalism
Pius XII – Ad Caeli Reginam

An encyclical of Pius XII concerning the Queenship of the Blessed Virgin Mary
Pope Gregory XVI – Cum Primum

Main Doctrines: Obedience to the lawfully constituted civil authority is a precept from God, and men are bound to obedience, unless the civil authority commands something contrary to the law of God, or of the Church. Most Important Quotes. (See also the pull quotes below) “We are taught most clearly that the obedience which men […]
Pope Gregory XVI- Summo Iugiter Studio

An Encyclical of Pope Gregory XVI regarding Mixed Marriages.
What is the Papacy?

In this article, we will describe his role, prove that the institution of the Papacy comes from Christ Himself, and explain that through the crisis that has decimated the Catholic Church after the Second Vatican Council, The Faithful are still able to discern whether if a claimant to the Papacy is the true Pope or not.