Documents and Speeches by Pope Leo XIII

Documents (93)	Type	Date
Inscrutabili Dei consilio On the evils of society society	Encyclical	1878.04.21
Quod apostolici On socialism social socialism	Encyclical	1878.12.28
Pontifices maximi Proclaiming a jubilee jubilee	Apostolic Letter	1879.02.15
Æterni Patris On the restoration of Christian philosophy philosophy	Encyclical	1879.08.04
Arcanum divinæ On Christian marriage marriage	Encyclical	1880.02.10
Grande munus Adding the liturgical feast of Sts. Cyril and Methodius to the Universal Calendar calendar saint	Encyclical	1880.09.30
Sancta Dei civitas On mission societies mission	Encyclical	1880.12.03
Diuturnum illud On the origin of civil power state	Encyclical	1881.06.29
Licet Multa On Catholics in Belgium Belgium	Encyclical	1881.08.03
Etsi nos On conditions in Italy Italy	Encyclical	1882.02.15
Auspicato concessum For the 7ᵗʰ centenary of the birth of St. Francis of Assisi Assisi saint	Encyclical	1882.09.17
Cum multa sint On conditions in Spain Spain	Encyclical	1882.12.08
Supremi apostolatus officio On devotion of the rosary Mary rosary	Encyclical	1883.09.01
Nobilissima Gallorum gens On the religious question in France France	Encyclical	1884.02.08
Humanum genus On freemasonry freemasonry	Encyclical	1884.04.20
Superiore anno On the recitation of the rosary rosary	Encyclical	1884.08.30
Immortale Dei On the Christian constitution of States state	Encyclical	1885.11.01
Spectata Fides On Christian education education	Encyclical	1885.11.27
Quod auctoritate apostolica Proclaiming the Extraordinary Jubilee of 1886 jubilee	Encyclical	1885.12.22
Iampridem nobis On Catholicism in Germany Germany	Encyclical	1886.01.06
Quod multum On the Liberty of the Church Hungary	Encyclical	1886.08.22
Pergrata nobis On the Church in Portugal Portugal	Encyclical	1886.09.14
Vi è Ben Noto On the rosary and public life Italy rosary	Encyclical	1887.09.20
Officio sanctissimo On the Church in Bavaria Germany	Encyclical	1887.12.22
Quod anniversarius On His golden jubilee of priestly ordination	Encyclical	1888.04.01
In plurimis On the abolition of slavery slavery	Encyclical	1888.05.05
Libertas præstantissimum On the nature of human liberty freedom	Encyclical	1888.06.20
Sæpe nos On boycotting in Ireland Ireland	Encyclical	1888.06.24
Paterna caritas On reunion with Rome of the Armenian Church Armenian Church Eastern Churches	Encyclical	1888.07.25
Quam Ærumnosa On Italian immigrants USA	Encyclical	1888.12.10
Etsi cunctas On the Church in Ireland Ireland	Encyclical	1888.12.21
Exeunte iam anno On the right ordering of Christian life moral society	Encyclical	1888.12.25
Magni nobis On the Catholic University of America USA	Encyclical	1889.03.07
Quamquam pluries On devotion to St. Joseph St. Joseph	Encyclical	1889.08.15
Sapientiæ Christianæ On Christians as citizens social society	Encyclical	1890.01.10
Ab Apostolici solii / Dall’alto dell’Apostolico seggio On freemasonry in Italy freemasonry Italy	Encyclical	1890.10.15
Catholicæ Ecclesiæ On slavery in the missions mission slavery	Encyclical	1890.11.20
In Ipso On episcopal reunions in Austria Austria	Encyclical	1891.03.03
Rerum novarum On capital and labour labour social	Encyclical	1891.05.15
Pastoralis On religious union Portugal	Encyclical	1891.06.25
Pastoralis officii On the morality of dueling	Encyclical	1891.09.12
Octobri mense On the rosary rosary	Encyclical	1891.09.22
Inter gravissimas / Au milieu des sollicitudes On the Church and State in France France state	Encyclical	1892.02.16
Quarto abeunte sæculo On the Columbus quadricentennial mission	Encyclical	1892.07.16
Magnæ dei Matris On the rosary Mary rosary	Encyclical	1892.09.08
Custodi di quella Fede On freemasonry freemasonry	Encyclical	1892.12.08
Inimica vis On freemasonry freemasonry	Encyclical	1892.12.08
Ad extremas On seminaries for native clergy India mission seminary	Encyclical	1893.06.24
Constanti Hungarorum On the Church in Hungary Hungary	Encyclical	1893.09.02
Lætitiæ sanctæ Commending devotion to the rosary Mary rosary	Encyclical	1893.09.08
Non mediocri On the Spanish College in Rome Spain	Encyclical	1893.10.25
Providentissimus Deus On the study of Holy Scriptures Bible	Encyclical	1893.11.18
Caritatis providentiæque On the Church in Poland Poland	Encyclical	1894.03.19
Inter Graves On the Church in Peru Peru	Encyclical	1894.05.01
Litteras a vobis On clergy in Brazil Brazil	Encyclical	1894.07.02
Iucunda semper expectatione On the rosary rosary	Encyclical	1894.09.08
Orientalium Dignitas On the Churches of the East Eastern Churches	Encyclical	1894.11.30
Christi Nomen On propagation of the faith and Eastern Churches Eastern Churches mission	Encyclical	1894.12.24
Longinqua On Catholicism in the United States USA	Encyclical	1895.01.06
Provida Matris Caritate On the Holy Spirit Holy Spirit	Apostolic Letter	1895.05.05
Permoti nos On social conditions in Belgium Belgium	Encyclical	1895.07.10
Adiutricem On the rosary Mary rosary	Encyclical	1895.09.05
Insignes On the Hungarian millennium Hungary	Encyclical	1896.05.01
Satis cognitum On the unity of the Church ecclesiology	Encyclical	1896.06.29
Apostolicæ Curæ On the nullity of Anglican Orders Anglican Church	Bull	1896.09.15
Fidentem piumque animum On the rosary Mary rosary	Encyclical	1896.09.20
Divinum Illud munus On the Holy Spirit Holy Spirit	Encyclical	1897.05.09
Militantis Ecclesiæ For the 3ʳᵈ centenary of the death of St. Peter Canisius saint	Encyclical	1897.08.01
Augustissimæ Virginis Mariæ On the Confraternity of the Holy Rosary association rosary	Encyclical	1897.09.12
Providentissimus Deus On Eucharistic Congresses and Associations Eucharist Eucharistic Congress	Apostolic Letter	1897.11.28
Affari vos On the Manitoba school question Canada	Encyclical	1897.12.18
Caritatis studium On the Church in Scotland Scotland	Encyclical	1898.07.25
Sæpe Numero / Spesse Volte On the suppression of Catholic institutions Italy	Encyclical	1898.08.05
Quam religiosa On civil marriage law marriage Peru	Encyclical	1898.08.16
Diuturni temporis On the rosary rosary	Encyclical	1898.09.05
Quum diuturnum On the Latin American Bishops’ Plenary Council South America	Encyclical	1898.12.25
Properante ad exitum sæculo Proclaiming the Jubilee of 1900 jubilee	Bull	1899.05.11
Annum sacrum On consecration to the Sacred Heart Sacred Heart	Encyclical	1899.05.25
Depuis le jour On the education of the clergy priest	Encyclical	1899.09.08
Paternæ On the education of clergy priest	Encyclical	1899.09.18
Omnibus compertum On unity among the Greek Melkites Eastern Churches Greek-Melkite Church	Encyclical	1900.07.21
Tametsi futura prospicientibus On Jesus Christ the Redeemer	Encyclical	1900.11.01
Graves de communi Re On Christian democracy society	Encyclical	1901.01.18
Gravissimas On religious orders in Portugal Portugal	Encyclical	1901.05.16
Reputantibus On the language question in Bohemia Czech Republic	Encyclical	1901.08.20
Urbanitatis veteris On the foundation of a seminary in Athens Greece	Encyclical	1901.11.20
In amplissimo On the Church in the United States USA	Encyclical	1902.04.15
Quod votis On the proposed Catholic university education	Encyclical	1902.04.30
Miræ caritatis On the Holy Eucharist Eucharist	Encyclical	1902.05.28
Vigilantiæ studiique Instituting a Pontifical Commission for Biblical Studies Bible Roman Curia	Apostolic Letter	1902.10.30
Quæ ad nos On the Church in Bohemia and Moravia Czech Republic	Encyclical	1902.11.22
Fin dal Principio On the education of clergy priest	Encyclical	1902.12.08
Dum multa On marriage legislation marriage	Encyclical	1902.12.24