Encyclicals (Pius IX)

Qui Pluribus – On Faith and Religion (Bl. Pius IX – 1846)

Praedecessores Nostros – On Aid For Ireland (Bl. Pius IX – 1847)

Ubi Primum – On Discipline For Religious (Pius IX – 1847)

Ubi Primum – On The Immaculate Conception (Pius IX – 1849)

Nostis et Nobiscum – On The Church In the Pontifical States (Pius IX – 1849)

Exultavit Cor Nostrum – On the Effects of the Jubilee (Pius IX – 1851)

Ex Aliis Nostris – Encyclical Letter of the Supreme Pontiff Pius IX (Nov 21, 1851)

Nemo Certe Ignorat – On Discipline For Clergy (Pius IX – 1852)

Probe Noscitis Venerabiles – On The Discipline For Clergy (Pius IX – 1852)

Inter Multiplices – Pleading For Unity of Spirit (Pius IX – 1853)

Neminem Vestrum – On The Persecution of Armenians (Pius IX – 1854)

Optime Noscitis – On The Proposed Catholic University of Ireland (Pius IX – 1854)

Apostolicae Nostrae Caritatis – Urging Prayers of Peace (Pius IX – 1854)

Optime Noscitis – On Episcopal Meetings (Pius IX – 1855)

Singulari Quidem – On the Church in Austria (Pius IX – 1856)

Cum Nuper – On Care For Clerics (Pius IX – 1858)

Amantissimi Redemptoris – On Priests and the Care of Souls (Pius IX – 1858)

Cum Sancta Mater Ecclesia – Pleading For Public Prayer (Pius IX – 1858)

Qui Nuper – On Pontifical States (Pius IX – 1859)

Nullis Certe Verbis – On the Need For Civil Sovereignty (Pius IX – 1860)

Amantissimus – On the Care of the Churches (Pius IX – 1862)

Quanto Conficiamur Moerore – On Promotion of False Doctrines (Pius IX – 1863)

Incredibili – On the Persecution in New Granada (Pius IX – 1863)

Ubi Urbaniano – Encyclical to the Venerable Bishops of Russia and Poland (Pius IX – July 30, 1864)

The Syllabus of Errors (Pius IX – 1864)

Maximae Quidem – On the Church in Bavaria (Pius IX – 1864)

Quanta Cura – Condemning Current Errors (Pius IX – 1864)

Levate – On the Afflictions of Church (Pius IX – 1867)

Arcano Divinae – Encyclical to All the Bishops of the Churches of the Eastern Rite Not in Communion With the Apostolic See (Pius IX – Sep 8, 1868)

Respicientes – Protesting the Taking of the Pontifical States (Pius IX – 1870)

Ubi Prima – Encyclical Letter to the Patriarch of Cilicia and to the Catholics of the Armenian Rite (Pius IX – 1871)

Ubi Nos – On Pontifical States (Pius IX – 1871)

Beneficia Dei – On the 25th Anniversary of His Pontificate (Pius IX – 1871)

Saepe Venerabiles Fratres – Thanksgiving For 25 Years of Pontificate (Pius IX – 1871)

Quae In Patriarchatu – On the Church in Chaldea (Pius IX – 1872)

Quartus Supra – On the Church in Armenia (Pius IX – 1873)

Etsi Multa – On the Church in Italy, Germany and Switzerland (Pius IX – 1873)

In Magnis Illis – Encyclical Letter to the Archbishop of Utrecht and His Suffragans and to the Beloved Catholic Sons Living in Holland (Pius IX – 1873)

Vix Dum A Nobis – On the Church in Austria (Pius IX – 1874)

Omnem Sollicitudinem – On the Greek-Ruthenian Rite (Pius IX – 1874)

Gravibus Ecclesiae – Proclaiming a Jubilee (Pius IX – 1874)

Quod Nunquam – On the Church in Prussia (Pius IX – 1875)

Graves Ac Diuturnae – On the Church in Switzerland (Pius IX – 1875)

Continuation of Quae in Patriarchatu (Pius IX – Sep. 1, 1876)