Menu Amoris LaetitiaThis Encyclical was directed to Bishops, Priests and Deacons consecrated persons Christian married couples and all the lay faithful on love in the family and talks about the Holy Father. |
| Notre Charge Apostolique It was promulgated on August 15, 1910. The Pope took issue with what he viewed as the socialist leanings of the Catholic 'Le Sillon' movement of Marc Sangnier. |
| Mens Nostra This encyclical is dedicated to spiritual exercises and their importance in the lives of Christians as " the middle invaluable individual and social renewal" |
| Libertas Praestantissimum Also know as "Liberty", Pope Leo XIII talks about the Nature of Human, specially of the Liberty that the humans have. |
| Paenitentiam Agere Was issued on 1 July 1962. It calls on Christians to practice penance and considers the upcoming Second Vatican Council |
| Catholicae Ecclesiae Encyclical on Slavery in the Missions of Pope Leo XIII promulgated on November 20, 1890, to the Catholic Missionaries in Africa. |
| Sapientae Christianae On Christians As Citizens Encyclical Of Pope Leo XIII January 10, 1890 |
 | Laudato Si At the conclusion of this lengthy reflection which has been both joyful and troubling, I propose that we offer two prayers. The first we can share with all who believe in a God who is the all-powerful Creator, while in the other we Christians ask for inspiration to take up the commitment to creation set before us by the Gospel of Jesus. |
| Divinum Illud Munus Encyclical of Pope Leo XIII on the Holy Spirit, promulgated on May 9, 1897 |
| Augustissimae Virginis Mariae Encyclical of pope leo XIII on the confraternity of the holy rosary, promulgated on september 12, 1897 |
| Pastoralis Encyclical On Religious Union of Pope Leo XIII promulgated on June 25, 1891. To Joseph Sebastian, S.R.E. Cardinal Netto, Patriarch of Lisbon, Americo S.R.E. Cardinal Dos Santos Silva, Bishop of Oporto; and Brethren Antony, Archbishop of Braga, and to the other Archbishops and Bishops of Portugal. |
| Summo Iugiter Studio On Mixed Marriages |
| Quod Apostolici Muneris Encyclical Of Pope Leo Xlll On Socialism December 28, 1878 To the Patriarchs, Primates, Archbishops, and Bishops of the Catholic World in Grace and Communion with the Apostolic See. |
| Laetitiae Sanctae Encyclical that talks about the Commending Devotion To The Rosary of Pope Leo XIII promulgated on September 8, 1893, To the Patriarchs, Primates, Archbishops, Bishops, and other Ordinaries, having Peace and Communion with the Apostolic See. |
| Pascendi Dominici Gregis The pope condemned Modernism and a whole range of other principles described as evolutionary, this Encyclical was promulgated on September 8, 1907 |
