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. |
| Quod Auctoritate Encyclical on Proclaiming An Extraordinary Jubilee of Pope Leo XIII promulgated on December 22, 1885. To the Patriarchs, Primates, Archbishops, Bishops, and other Local Ordinaries, in the Grace and Communion of the Apostolic See. |
| 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. |
| Libertas Praestantissimum Also know as "Liberty", Pope Leo XIII talks about the Nature of Human, specially of the Liberty that the humans have. |
| Annus Iam Plenus It was published on December 1, 1920 and it was dedicated to the tragic situation of' children Central Europe. It was written on the same subject just over a year before. |
| Quod Anniversarius Encyclical On His Sacerdotal Jubilee of Pope Leo XIII promulgated on April 1, 1888. To the Patriarchs, Primates, Archbishops, and Bishops of the Whole World in Favor and Communion with the Apostolic See. |
| Quas Primas Established the Feast of Christ the King which was Pope Pius XI's response to the world's increasing secularization and nationalism.The encyclical summarizes both the Old Testament and the New Testament teaching on the kingship of Christ |
| Quarto Abeunte Saeculo Encyclical On The Columbus Quadricentennial of Pope Leo XIII promulgated on July 16, 1892. To the Archbishops and Bishops of Spain, Italy, and the two Americas. |
| Casti Connubii Discusses marriage and seeks ratification had previously written when Pope Leo XIII in Arcanum divinae sapientiae about the dignity and sanctity of that sacrament . |
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| Praeclara Gratulationis Publicae Encycical of The Reunion Of Chirstendom Apostolic Letter of Pope Leo XIII June 20, 1894 To all Patriarchs, Primates, Archbishops and Bishops of the Catholic World In Grace and Communion with the Apostolic See |
| Sertum Laetitiae It is an encyclical from Pope Pius XII to the Catholic Church of the United States of America in memory of the 150th anniversary of the installation of the first American bishop. |
| Rerum Novarum On the Capital and Labor, Encyclical of Pope Leo XIII, May 15, 1891 |
| Singulari Quadam It was published on September 24, 1912 and it was written for the German Catholics on Trade Union of Workers in Germany. |
