List of encyclicals of Pope Pius IX List of encyclicals of Pope Pius IX List of encyclicals of Pope Pius IX

| No_ | Title_Latin | Title_English_translation | Subject | Date_ |
|---|---|---|---|---|
| 10. | Neminem Vestrum |  | On the Persecution of Armenians | 2 February 1854 |
| 11. | Optime Noscitis |  | On the Proposed Catholic University of Ireland | 20 March 1854 |
| 12. | Apostolicae Nostrae Caritatis |  | Urging Prayers of Peace | 1 August 1854 |
| 13. | Optime Noscitis |  | On Episcopal Meetings | 5 November 1855 |
| 14. | Singulari Quidem |  | On the Church in Austria | 17 March 1856 |
| 15. | Cum Nuper |  | On Care for Clerics | 20 January 1858 |
| 16. | Amantissimi Redemptoris |  | On Priests and the Care of Souls | 3 May 1858 |
| 17. | Cum Sancta Mater Ecclesia |  | Pleading for Public Prayer | 27 April 1859 |
| 18. | Qui Nuper |  | On the Pontifical States | 18 June 1859 |