Briefs (Pius IX)

Cum Catholica Ecclesia – Brief of the Supreme Pontiff To Perpetual Memory (Pius IX – Mar. 26, 1860)

Multis Gravissimis – Brief of the Supreme Pontiff To All the Christian Faithful of Sicily (Pius IX – Jan. 28, 1864)

Ex Quo Infensissimi – Brief of the Supreme Pontiff For Future Reference (Pius IX – Nov. 14, 1867)

Apostolici Ministerii – Apostolic Brief of the Supreme Pontiff to Venerable Brother Antonio Maria, Bishop of Fabriano and Matelica (Pius IX – Apr. 5, 1870)