Editing Pope Pius IX (section)

===Encyclicals===
{{Main|List of encyclicals of Pope Pius IX}}
Pius issued a record 38 [[encyclical]]s. They include:
* ''[[Qui pluribus]]'' 1846, his first encyclical, on faith and religion
* ''[[Praedecessores nostros]]'' 1847 on aid for Ireland
* ''[[Ubi primum (Pius IX, 1849)|Ubi primum]]'' 1848 on [[The Immaculate Conception]]
* ''[[Nostis et nobiscum]]'' 1849 on the church in the [[Papal States]]
* ''[[Neminem vestrum]]'' 1854 on the bloody persecution of Armenians
* ''[[Cum nuper]]'' 1858 on care for clerics
* ''[[Amantissimus]]'' 1862 on care of the churches
* ''[[Ad universalis Ecclesiae]] 1862'' on conditions for admission to male religious orders in which [[simple vow|solemn vows]] are prescribed
* ''[[Quanta cura]]'' 1864, with its appendix the ''[[Syllabus of Errors]]''
* ''[[Meridionali Americae]]'' 1865 on the Seminary for the Native Clergy
* ''[[Omnem sollicitudinem]]'' 1874 on the Greek-Ruthenian Rite
* ''[[Quod nunquam]]'' 1875 on the Church in [[Prussia]]

Unlike popes in the 20th century, Pius IX did not use encyclicals to explain the faith, but to condemn what he considered errors. He was the first pope to popularize encyclicals on a large scale to foster his views.