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_ |
|---|---|---|---|---|
| 37. | Quod Nunquam |  | On the Church in Prussia | 5 February 1875 |
| 38. | Graves Ac Diuturnae |  | On the Church in Switzerland | 23 March 1875 |