| Tabulinum: | De Ecclesiae Magisterio |
| Materia: | Magisterium Paparum |
| Argumentum: | 1878-1903- Leo XIII |
| Sancto Alberto Magno Patrono Plorante ac Beata Semper Virgine Maria Intercedente, Spiritus Sancte, Veritatis Deus, Hunc Locum a Malo Defendere Digneris. |
| Tabulinum: | De Ecclesiae Magisterio |
| Materia: | Magisterium Paparum |
| Argumentum: | 1878-1903- Leo XIII |
| Sancto Alberto Magno Patrono Plorante ac Beata Semper Virgine Maria Intercedente, Spiritus Sancte, Veritatis Deus, Hunc Locum a Malo Defendere Digneris. |
| Latinum - Latino - Latin | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 15,789 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 1 | LT FR | |
| 17,265 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 2 | LT FR | |
| 12,853 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 3 | LT FR | |
| 14,949 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 4 | LT FR | |
| 17,969 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 5 | LT FR | |
| 16,410 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 6 | LT FR | |
| 71 | 1882-05-24 | SS | SS Leo XIII | Constitutio 'Praedecessores Nostri' | LT | doc |
| 71 | 1883-06-03 | SS | SS Leo XIII | Misericors Dei Filius | LT | doc |
| 34 | 1885-12-13 | SS | SS Leo XIII | Ad Bernadinum A Porto Romantino | LT | doc |
| 29 | 1885-12-31 | SS | SS Leo XIII | Ad Othonem Bismarck | LT | doc |
| 145 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | LT | doc |
| 2,464 | 1895-1895 | SS | SS Leo XIII | Pontificale Romanum | LT | |
| 31 | 1902-10-30 | SS | SS Leo XIII | Littera Apostolica. Vigilantiae Studiique | LT |
| Italicum - Italiano - Italian | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 55 | 1878-03-04 | SS | SS Leo XIII | Ex Supremo Apostolatus | IT | doc |
| 35 | 1878-03-28 | SS | SS Leo XIII | Ubi Primum | IT | doc |
| 51 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | IT | doc |
| 47 | 1878-06-26 | SS | SS Leo XIII | In Mezzo Alle Ragioni | IT | doc |
| 41 | 1878-08-27 | SS | SS Leo XIII | Da Grave Sventura | IT | doc |
| 52 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | IT | doc |
| 50 | 1878-1903 | SS | SS Leo XIII | Saepenumero Considerantes | IT | doc |
| 41 | 1879-02-15 | SS | SS Leo XIII | Pontifices Maximi | IT | doc |
| 43 | 1879-03-25 | SS | SS Leo XIII | Nel Giugno | IT | doc |
| 41 | 1879-06-01 | SS | SS Leo XIII | Ci Siamo Grandemente | IT | doc |
| 81 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | IT | doc |
| 38 | 1879-10-15 | SS | SS Leo XIII | Iampridem Considerando | IT | doc |
| 30 | 1880-01-18 | SS | SS Leo XIII | Placere Nobis | IT | doc |
| 76 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | IT | doc |
| 37 | 1880-08-04 | SS | SS Leo XIII | Cum Hoc Sit | IT | doc |
| 50 | 1880-09-03 | SS | SS Leo XIII | Encyclica 'Grande Munus' | IT | doc |
| 46 | 1880-12-03 | SS | SS Leo XIII | Encyclica 'Sancta Dei Civitas' | IT | doc |
| 41 | 1881-03-12 | SS | SS Leo XIII | Militans Iesu | IT | doc |
| 60 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | IT | doc |
| 35 | 1881-08-31 | SS | SS Leo XIII | Encyclica 'Licet Multa' | IT | doc |
| 35 | 1882-01-25 | SS | SS Leo XIII | Cognita Nobis | IT | doc |
| 55 | 1882-02-15 | SS | SS Leo XIII | Encyclica 'Etsi Nos' | IT | doc |
| 53 | 1882-09-17 | SS | SS Leo XIII | Encyclica 'Auspicato Concessum' | IT | doc |
| 46 | 1882-12-08 | SS | SS Leo XIII | Encyclica 'Cum Multa Sint' | IT | doc |
| 50 | 1883-05-13 | SS | SS Leo XIII | Misericors Dei Filius | IT | doc |
| 54 | 1883-08-18 | SS | SS Leo XIII | Saepenumero Considerantes | IT | doc |
| 42 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | IT | doc |
| 45 | 1883-09-01 | SS | SS Leo XIII | Supremi Apostolatus | IT | doc |
| 48 | 1884-02-08 | SS | SS Leo XIII | Encyclica 'Nobilissima Gallorum Gens' | IT | doc |
| 51 | 1884-02-08 | SS | SS Leo XIII | Nobilissima Gallorum | IT | doc |
| 76 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | IT | doc |
| 36 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | IT | doc |
| 48 | 1884-11-10 | SS | SS Leo XIII | Materna Ecclesiae | IT | doc |
| 33 | 1885-11-27 | SS | SS Leo XIII | Encyclica 'Spectata Fides' | IT | doc |
| 45 | 1885-12-22 | SS | SS Leo XIII | Encyclica 'Quod Auctoritate' | IT | doc |
| 50 | 1886-01-06 | SS | SS Leo XIII | Encyclica 'Iampridem Nobis' | IT | doc |
| 32 | 1886-07-13 | SS | SS Leo XIII | Dolemus Inter | IT | doc |
| 57 | 1886-08-22 | SS | SS Leo XIII | Quod Multum | IT | doc |
| 55 | 1886-09-01 | SS | SS Leo XIII | Humanae Salutis | IT | doc |
| 46 | 1886-09-14 | SS | SS Leo XIII | Encyclica 'Pergrata Nobis' | IT | doc |
| 49 | 1886-09-14 | SS | SS Leo XIII | Pergrata | IT | doc |
| 31 | 1886-10-31 | SS | SS Leo XIII | Piu Volte | IT | doc |
| 34 | 1887-05-23 | SS | SS Leo XIII | Episcoporum Ordinem | IT | doc |
| 60 | 1887-06-15 | SS | SS Leo XIII | Quantunque le Siano | IT | doc |
| 31 | 1887-07-30 | SS | SS Leo XIII | Egregii Tui | IT | doc |
| 35 | 1887-09-20 | SS | SS Leo XIII | Encyclica 'Vi E' Ben Noto' | IT | doc |
| 75 | 1887-12-22 | SS | SS Leo XIII | Encyclica 'Officio Sanctissimo' | IT | doc |
| 33 | 1888-04-01 | SS | SS Leo XIII | Encyclica 'Quod Anniversarius' | IT | doc |
| 69 | 1888-05-05 | SS | SS Leo XIII | Encyclica 'In Plurimis' | IT | doc |
| 91 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | IT | doc |
| 35 | 1888-06-24 | SS | SS Leo XIII | Encyclica 'Saepe Nos' | IT | doc |
| 44 | 1888-07-25 | SS | SS Leo XIII | Encyclica 'Paterna Caritas' | IT | doc |
| 84 | 1888-10-01 | SS | SS Leo XIII | Augustum Sanctissimumque | IT | doc |
| 33 | 1888-12-10 | SS | SS Leo XIII | Encyclica 'Quam Aerumnosa' | IT | doc |
| 36 | 1888-12-10 | SS | SS Leo XIII | Quam Aeruminosa | IT | doc |
| 30 | 1888-12-21 | SS | SS Leo XIII | Encyclica 'Etsi Cunctas' | IT | doc |
| 62 | 1888-12-25 | SS | SS Leo XIII | Encyclica 'Exeunte Iam Anno' | IT | doc |
| 37 | 1889-02-11 | SS | SS Leo XIII | Nostis Errorem | IT | doc |
| 34 | 1889-03-02 | SS | SS Leo XIII | La Devozione | IT | doc |
| 33 | 1889-03-07 | SS | SS Leo XIII | Encyclica 'Magni Nobis' | IT | doc |
| 31 | 1889-05-24 | SS | SS Leo XIII | Amplissimum Collegium | IT | doc |
| 33 | 1889-06-01 | SS | SS Leo XIII | Litteris ad Te | IT | doc |
| 39 | 1889-06-30 | SS | SS Leo XIII | Quod Nuper | IT | doc |
| 37 | 1889-07-19 | SS | SS Leo XIII | E'giunto | IT | doc |
| 44 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | IT | doc |
| 33 | 1889-12-18 | SS | SS Leo XIII | Fra le Molteplici | IT | doc |
| 33 | 1889-12-24 | SS | SS Leo XIII | Colle Espressioni | IT | doc |
| 41 | 1889-12-30 | SS | SS Leo XIII | Tempestivum Quoddam | IT | doc |
| 82 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | IT | doc |
| 33 | 1890-03-14 | SS | SS Leo XIII | Noi Rendiamo Grazie | IT | doc |
| 36 | 1890-04-20 | SS | SS Leo XIII | Rem Magni | IT | doc |
| 62 | 1890-10-15 | SS | SS Leo XIII | Dall'alto | IT | doc |
| 39 | 1890-11-20 | SS | SS Leo XIII | Encyclica 'Catholicae Ecclesiae' | IT | doc |
| 34 | 1891-03-02 | SS | SS Leo XIII | Si e Compiuto | IT | doc |
| 40 | 1891-03-03 | SS | SS Leo XIII | Encyclica 'In Ipso' | IT | doc |
| 115 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | IT | doc |
| 45 | 1891-06-25 | SS | SS Leo XIII | Encyclica 'Pastoralis Vigilantiae' | IT | doc |
| 39 | 1891-09-12 | SS | SS Leo XIII | Encyclica 'Pastoralis Officii' | IT | doc |
| 36 | 1891-09-20 | SS | SS Leo XIII | Grande e La Nostra Gioia | IT | doc |
| 58 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | IT | doc |
| 36 | 1891-12-14 | SS | SS Leo XIII | Non Est Opus | IT | doc |
| 69 | 1892-02-16 | SS | SS Leo XIII | Au Milieu | IT | doc |
| 41 | 1892-06-16 | SS | SS Leo XIII | Encyclica 'Quarto Abeunte Saeculo' | IT | doc |
| 56 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | IT | doc |
| 48 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Inimica Vis' | IT | doc |
| 41 | 1893-06-24 | SS | SS Leo XIII | Encyclica 'Ad Extremas' | IT | doc |
| 51 | 1893-09-02 | SS | SS Leo XIII | Encyclica 'Constanti Hungarorum' | IT | doc |
| 49 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | IT | doc |
| 103 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | IT | doc |
| 58 | 1894-03-19 | SS | SS Leo XIII | Encyclica 'Caritatis Providentiaeque' | IT | doc |
| 50 | 1894-09-08 | SS | SS Leo XIII | Iucunda Semper | IT | doc |
| 51 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | IT | doc |
| 112 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | IT | doc |
| 62 | 1896-09-13 | SS | SS Leo XIII | Apostolicae Curae | IT | doc |
| 46 | 1896-09-20 | SS | SS Leo XIII | Fidentem Piumque | IT | doc |
| 65 | 1897-05-09 | SS | SS Leo XIII | Divinum Illud Munus | IT | doc |
| 50 | 1897-08-01 | SS | SS Leo XIII | Encyclica 'Militantis Ecclesiae' | IT | doc |
| 46 | 1897-09-12 | SS | SS Leo XIII | Augustissimae Virginis | IT | doc |
| 45 | 1897-12-08 | SS | SS Leo XIII | Encyclica 'Affari Vos' | IT | doc |
| 52 | 1898-07-25 | SS | SS Leo XIII | Encyclica 'Caritatis Studium' | IT | doc |
| 53 | 1898-08-05 | SS | SS Leo XIII | Encyclica 'Spesse Volte' | IT | doc |
| 36 | 1898-08-16 | SS | SS Leo XIII | Encyclica 'Quam Religiosa' | IT | doc |
| 35 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | IT | doc |
| 31 | 1898-12-25 | SS | SS Leo XIII | Encyclica 'Quum Diuturnum' | IT | doc |
| 53 | 1899-01-22 | SS | SS Leo XIII | Testem Benevolentiae | IT | doc |
| 45 | 1899-05-25 | SS | SS Leo XIII | Encyclica 'Annum Sacrum' | IT | doc |
| 80 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | IT | doc |
| 40 | 1899-09-18 | SS | SS Leo XIII | Encyclica 'Paternae Providaeque' | IT | doc |
| 35 | 1900-07-21 | SS | SS Leo XIII | Encyclica 'Omnibus Compertum' | IT | doc |
| 64 | 1900-11-01 | SS | SS Leo XIII | Tametsi Futura | IT | doc |
| 59 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | IT | doc |
| 35 | 1901-08-25 | SS | SS Leo XIII | Encyclica 'Reputantibus Saepe' | IT | doc |
| 84 | 1902-03-19 | SS | SS Leo XIII | Vigesimo Quinto Anno | IT | doc |
| 64 | 1902-05-28 | SS | SS Leo XIII | Encyclica 'Mirae Caritatis' | IT | doc |
| 50 | 1902-12-08 | SS | SS Leo XIII | Encyclica 'Fin Dal Principio' | IT | doc |
| 84 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | IT | doc |
| Anglicum - Inglese - English | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 60 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | EN | doc |
| 55 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | EN | doc |
| 92 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | EN | doc |
| 101 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | EN | doc |
| 47 | 1880-09-03 | SS | SS Leo XIII | Encyclica 'Grande Munus' | EN | doc |
| 50 | 1880-12-03 | SS | SS Leo XIII | Encyclica 'Sancta Dei Civitas' | EN | doc |
| 71 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | EN | doc |
| 34 | 1881-08-31 | SS | SS Leo XIII | Encyclica 'Licet Multa' | EN | doc |
| 57 | 1882-02-15 | SS | SS Leo XIII | Encyclica 'Etsi Nos' | EN | doc |
| 57 | 1882-09-17 | SS | SS Leo XIII | Encyclica 'Auspicato Concessum' | EN | doc |
| 51 | 1882-12-08 | SS | SS Leo XIII | Encyclica 'Cum Multa Sint' | EN | doc |
| 41 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | EN | doc |
| 41 | 1883-09-01 | SS | SS Leo XIII | Supremi Apostolatus | EN | doc |
| 48 | 1884-02-08 | SS | SS Leo XIII | Encyclica 'Nobilissima Gallorum Gens' | EN | doc |
| 87 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | EN | doc |
| 33 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | EN | doc |
| 31 | 1885-11-27 | SS | SS Leo XIII | Encyclica 'Spectata Fides' | EN | doc |
| 45 | 1885-12-22 | SS | SS Leo XIII | Encyclica 'Quod Auctoritate' | EN | doc |
| 49 | 1886-01-06 | SS | SS Leo XIII | Encyclica 'Iampridem Nobis' | EN | doc |
| 51 | 1886-08-22 | SS | SS Leo XIII | Quod Multum | EN | doc |
| 45 | 1886-09-14 | SS | SS Leo XIII | Encyclica 'Pergrata Nobis' | EN | doc |
| 44 | 1886-09-14 | SS | SS Leo XIII | Pergrata | EN | doc |
| 32 | 1887-09-20 | SS | SS Leo XIII | Encyclica 'Vi E' Ben Noto' | EN | doc |
| 69 | 1887-12-22 | SS | SS Leo XIII | Encyclica 'Officio Sanctissimo' | EN | doc |
| 31 | 1888-04-01 | SS | SS Leo XIII | Encyclica 'Quod Anniversarius' | EN | doc |
| 79 | 1888-05-05 | SS | SS Leo XIII | Encyclica 'In Plurimis' | EN | doc |
| 66 | 1888-05-30 | SS | SS Leo XIII | Misericors Dei Filius | EN | doc |
| 90 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | EN | doc |
| 34 | 1888-06-24 | SS | SS Leo XIII | Encyclica 'Saepe Nos' | EN | doc |
| 45 | 1888-07-25 | SS | SS Leo XIII | Encyclica 'Paterna Caritas' | EN | doc |
| 33 | 1888-12-10 | SS | SS Leo XIII | Encyclica 'Quam Aerumnosa' | EN | doc |
| 28 | 1888-12-21 | SS | SS Leo XIII | Encyclica 'Etsi Cunctas' | EN | doc |
| 59 | 1888-12-25 | SS | SS Leo XIII | Encyclica 'Exeunte Iam Anno' | EN | doc |
| 31 | 1889-03-07 | SS | SS Leo XIII | Encyclica 'Magni Nobis' | EN | doc |
| 38 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | EN | doc |
| 102 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | EN | doc |
| 67 | 1890-10-15 | SS | SS Leo XIII | Encyclica 'Dall'Alto Dell'Apostolico Seggio' | EN | doc |
| 35 | 1890-11-20 | SS | SS Leo XIII | Encyclica 'Catholicae Ecclesiae' | EN | doc |
| 36 | 1891-03-03 | SS | SS Leo XIII | Encyclica 'In Ipso' | EN | doc |
| 126 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | EN | doc |
| 40 | 1891-06-25 | SS | SS Leo XIII | Encyclica 'Pastoralis Vigilantiae' | EN | doc |
| 35 | 1891-09-12 | SS | SS Leo XIII | Encyclica 'Pastoralis Officii' | EN | doc |
| 61 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | EN | doc |
| 65 | 1892-02-16 | SS | SS Leo XIII | Encyclica 'Au Milieu Des Sollicitudes' | EN | doc |
| 39 | 1892-06-16 | SS | SS Leo XIII | Encyclica 'Quarto Abeunte Saeculo' | EN | doc |
| 61 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | EN | doc |
| 48 | 1892-12-08 | SS | SS Leo XIII | Custodi Della Fede | EN | doc |
| 46 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Custodi di Quella Fede' | EN | doc |
| 34 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Inimica Vis' | EN | doc |
| 37 | 1893-06-24 | SS | SS Leo XIII | Encyclica 'Ad Extremas' | EN | doc |
| 49 | 1893-09-02 | SS | SS Leo XIII | Encyclica 'Constanti Hungarorum' | EN | doc |
| 47 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | EN | doc |
| 40 | 1893-10-25 | SS | SS Leo XIII | Encyclica 'Non Mediocri' | EN | doc |
| 111 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | EN | doc |
| 56 | 1894-03-19 | SS | SS Leo XIII | Encyclica 'Caritatis Providentiaeque' | EN | doc |
| 45 | 1894-05-01 | SS | SS Leo XIII | Encyclica 'Inter Graves' | EN | doc |
| 41 | 1894-06-02 | SS | SS Leo XIII | Encyclica 'Litteras A Vobis' | EN | doc |
| 64 | 1894-06-20 | SS | SS Leo XIII | Praeclara Gratulationis Publicae | EN | doc |
| 46 | 1894-09-08 | SS | SS Leo XIII | Encyclica 'Iucunda Semper Expectatione' | EN | doc |
| 50 | 1894-11-30 | SS | SS Leo XIII | Orientalium Dignitas | EN | doc |
| 31 | 1894-12-24 | SS | SS Leo XIII | Encyclica 'Christi Nomen' | EN | doc |
| 68 | 1895-01-06 | SS | SS Leo XIII | Encyclica 'Longinqua' | EN | doc |
| 35 | 1895-06-10 | SS | SS Leo XIII | Encyclica 'Permoti Nos' | EN | doc |
| 60 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | EN | doc |
| 51 | 1896-05-01 | SS | SS Leo XIII | Encyclica 'Insignes' | EN | doc |
| 121 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | EN | doc |
| 60 | 1896-09-18 | SS | SS Leo XIII | Apostolicae Curae | EN | doc |
| 41 | 1896-09-20 | SS | SS Leo XIII | Encyclica 'Fidentem Piumque Animum' | EN | doc |
| 65 | 1897-05-09 | SS | SS Leo XIII | Divinum Illud Munus | EN | doc |
| 46 | 1897-08-01 | SS | SS Leo XIII | Encyclica 'Militantis Ecclesiae' | EN | doc |
| 43 | 1897-10-12 | SS | SS Leo XIII | Encyclica 'Augustissimae Virginis Mariae' | EN | doc |
| 41 | 1897-12-08 | SS | SS Leo XIII | Encyclica 'Affari Vos' | EN | doc |
| 48 | 1898-07-25 | SS | SS Leo XIII | Encyclica 'Caritatis Studium' | EN | doc |
| 49 | 1898-08-05 | SS | SS Leo XIII | Encyclica 'Spesse Volte' | EN | doc |
| 37 | 1898-08-16 | SS | SS Leo XIII | Encyclica 'Quam Religiosa' | EN | doc |
| 33 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | EN | doc |
| 32 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | PT | doc |
| 28 | 1898-12-25 | SS | SS Leo XIII | Encyclica 'Quum Diuturnum' | EN | doc |
| 53 | 1899-01-22 | SS | SS Leo XIII | Testem Benevolentiae Nostrae | EN | doc |
| 42 | 1899-05-25 | SS | SS Leo XIII | Encyclica 'Annum Sacrum' | EN | doc |
| 84 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | EN | doc |
| 41 | 1899-09-18 | SS | SS Leo XIII | Encyclica 'Paternae Providaeque' | EN | doc |
| 36 | 1900-07-21 | SS | SS Leo XIII | Encyclica 'Omnibus Compertum' | EN | doc |
| 57 | 1900-11-01 | SS | SS Leo XIII | Encyclica 'Tametsi Futura Prospicientibus' | EN | doc |
| 68 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | EN | doc |
| 29 | 1901-05-16 | SS | SS Leo XIII | Gravissimas | EN | doc |
| 33 | 1901-08-20 | SS | SS Leo XIII | Reputantiubus | EN | doc |
| 35 | 1901-11-20 | SS | SS Leo XIII | Encyclica 'Urbanitatis Veteris' | EN | doc |
| 31 | 1902-04-15 | SS | SS Leo XIII | Encyclica 'In Amplissimo' | EN | doc |
| 28 | 1902-04-30 | SS | SS Leo XIII | Encyclica 'Quod Votis' | EN | doc |
| 67 | 1902-05-28 | SS | SS Leo XIII | Encyclica 'Mirae Caritatis' | EN | doc |
| 27 | 1902-11-22 | SS | SS Leo XIII | Encyclica 'Quae ad Nos' | EN | doc |
| 56 | 1902-12-08 | SS | SS Leo XIII | Encyclica 'Fin Dal Principio' | EN | doc |
| 30 | 1902-12-24 | SS | SS Leo XIII | Encyclica 'Dum Multa' | EN | doc |
| 97 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | EN | doc |
| Hispanicum - Spagnolo - Spanish - Espańol | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 54 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | ES | doc |
| 77 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | ES | doc |
| 94 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | ES | doc |
| 61 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | ES | doc |
| 80 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | ES | doc |
| 93 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | ES | doc |
| 40 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | ES | doc |
| 129 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | ES | doc |
| 123 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | ES | doc |
| 58 | 1894-06-20 | SS | SS Leo XIII | Praeclara Gratulationis Publicae | ES | doc |
| 152 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | ES | doc |
| 68 | 1897-05-09 | SS | SS Leo XIII | Divinum Illud Munus | ES | doc |
| 49 | 1899-01-22 | SS | SS Leo XIII | Testem Benevolentiae | ES | doc |
| 26 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | ES | doc |
| 98 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | ES | doc |
| Gallicum - Francese - French - Français | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 55 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | FR | doc |
| 15,789 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 1 | LT FR | |
| 17,265 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 2 | LT FR | |
| 12,853 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 3 | LT FR | |
| 14,949 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 4 | LT FR | |
| 17,969 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 5 | LT FR | |
| 16,410 | 1878-1903 | SS | SS Leo XIII | Documenta Vol 6 | LT FR | |
| 99 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | FR | doc |
| 85 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | FR | doc |
| 75 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | FR | doc |
| 46 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | FR | doc |
| 108 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | FR | doc |
| 105 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | FR | doc |
| 100 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | FR | doc |
| 156 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | FR | doc |
| 36 | 1893-10-25 | SS | SS Leo XIII | Encyclica 'Non Mediocri' | FR | doc |
| 128 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | FR | doc |
| 91 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | FR | doc |
| 84 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | FR | doc |
| 107 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | FR | doc |
| Germanicum - Tedesco - German - Deutsch | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 49 | 1883-09-01 | SS | SS Leo XIII | Supremi Apostolatus | GE | doc |
| 40 | 1883-12-24 | SS | SS Leo XIII | Salutaris Ille | GE | doc |
| 41 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | GE | doc |
| 147 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | GE | doc |
| Lusitanum - Portoghese - Portuguese - Portuguęs | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 47 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | PT | doc |
| 45 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | PT | doc |
| 36 | 1883-09-01 | SS | SS Leo XIII | Supremi Apostolatus | PT | doc |
| 699 | 1883-1898 | SS | SS Leo XIII | Enciclicas Sobre O Rosario de Nossa Senhora | PT | |
| 73 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | PT | doc |
| 28 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | PT | doc |
| 53 | 1890-10-15 | SS | SS Leo XIII | Encyclica 'Dall'Alto Dell'Apostolico Seggio' | PT | doc |
| 112 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | PT | doc |
| 57 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | PT | doc |
| 48 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | PT | doc |
| 42 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | PT | doc |
| 43 | 1894-09-08 | SS | SS Leo XIII | Encyclica 'Iucunda Semper Expectatione' | PT | doc |
| 30 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | PT | doc |
| 38 | 1896-09-20 | SS | SS Leo XIII | Encyclica 'Fidentem Piumque Animum' | PT | doc |
| 37 | 1897-10-12 | SS | SS Leo XIII | Encyclica 'Augustissimae Virginis Mariae' | PT | doc |
| 75 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | PT | doc |
| Polaccum - Polacco - Polish | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 191 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | PL | doc |
| 90 - Litterae Encyclicae | Reditus in Indicem Primum |
| KB | Tempora | SS | Auctor | Operis Titulus | Sermo | Forma |
| 60 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | EN | doc |
| 51 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | IT | doc |
| 47 | 1878-04-21 | SS | SS Leo XIII | Encyclica 'Inscrutabili Dei Consilio' | PT | doc |
| 55 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | EN | doc |
| 54 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | ES | doc |
| 55 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | FR | doc |
| 52 | 1878-12-28 | SS | SS Leo XIII | Encyclica 'Quod Apostolici Muneris' | IT | doc |
| 92 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | EN | doc |
| 77 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | ES | doc |
| 99 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | FR | doc |
| 81 | 1879-08-04 | SS | SS Leo XIII | Encyclica 'Aeterni Patris Filius' | IT | doc |
| 101 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | EN | doc |
| 94 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | ES | doc |
| 85 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | FR | doc |
| 76 | 1880-02-10 | SS | SS Leo XIII | Encyclica 'Arcanum Divinae' | IT | doc |
| 47 | 1880-09-03 | SS | SS Leo XIII | Encyclica 'Grande Munus' | EN | doc |
| 50 | 1880-09-03 | SS | SS Leo XIII | Encyclica 'Grande Munus' | IT | doc |
| 50 | 1880-12-03 | SS | SS Leo XIII | Encyclica 'Sancta Dei Civitas' | EN | doc |
| 46 | 1880-12-03 | SS | SS Leo XIII | Encyclica 'Sancta Dei Civitas' | IT | doc |
| 71 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | EN | doc |
| 61 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | ES | doc |
| 75 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | FR | doc |
| 60 | 1881-06-29 | SS | SS Leo XIII | Encyclica 'Diuturnum Illud' | IT | doc |
| 34 | 1881-08-31 | SS | SS Leo XIII | Encyclica 'Licet Multa' | EN | doc |
| 35 | 1881-08-31 | SS | SS Leo XIII | Encyclica 'Licet Multa' | IT | doc |
| 57 | 1882-02-15 | SS | SS Leo XIII | Encyclica 'Etsi Nos' | EN | doc |
| 55 | 1882-02-15 | SS | SS Leo XIII | Encyclica 'Etsi Nos' | IT | doc |
| 57 | 1882-09-17 | SS | SS Leo XIII | Encyclica 'Auspicato Concessum' | EN | doc |
| 53 | 1882-09-17 | SS | SS Leo XIII | Encyclica 'Auspicato Concessum' | IT | doc |
| 51 | 1882-12-08 | SS | SS Leo XIII | Encyclica 'Cum Multa Sint' | EN | doc |
| 46 | 1882-12-08 | SS | SS Leo XIII | Encyclica 'Cum Multa Sint' | IT | doc |
| 41 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | EN | doc |
| 46 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | FR | doc |
| 42 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | IT | doc |
| 45 | 1883-09-01 | SS | SS Leo XIII | Encyclica 'Supremi Apostolatus Officio' | PT | doc |
| 48 | 1884-02-08 | SS | SS Leo XIII | Encyclica 'Nobilissima Gallorum Gens' | EN | doc |
| 48 | 1884-02-08 | SS | SS Leo XIII | Encyclica 'Nobilissima Gallorum Gens' | IT | doc |
| 87 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | EN | doc |
| 80 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | ES | doc |
| 108 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | FR | doc |
| 76 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | IT | doc |
| 73 | 1884-04-20 | SS | SS Leo XIII | Encyclica 'Humanum Genus' | PT | doc |
| 33 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | EN | doc |
| 41 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | GE | doc |
| 36 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | IT | doc |
| 28 | 1884-08-30 | SS | SS Leo XIII | Encyclica 'Superiore Anno' | PT | doc |
| 31 | 1885-11-27 | SS | SS Leo XIII | Encyclica 'Spectata Fides' | EN | doc |
| 33 | 1885-11-27 | SS | SS Leo XIII | Encyclica 'Spectata Fides' | IT | doc |
| 45 | 1885-12-22 | SS | SS Leo XIII | Encyclica 'Quod Auctoritate' | EN | doc |
| 45 | 1885-12-22 | SS | SS Leo XIII | Encyclica 'Quod Auctoritate' | IT | doc |
| 49 | 1886-01-06 | SS | SS Leo XIII | Encyclica 'Iampridem Nobis' | EN | doc |
| 50 | 1886-01-06 | SS | SS Leo XIII | Encyclica 'Iampridem Nobis' | IT | doc |
| 45 | 1886-09-14 | SS | SS Leo XIII | Encyclica 'Pergrata Nobis' | EN | doc |
| 46 | 1886-09-14 | SS | SS Leo XIII | Encyclica 'Pergrata Nobis' | IT | doc |
| 32 | 1887-09-20 | SS | SS Leo XIII | Encyclica 'Vi E' Ben Noto' | EN | doc |
| 35 | 1887-09-20 | SS | SS Leo XIII | Encyclica 'Vi E' Ben Noto' | IT | doc |
| 69 | 1887-12-22 | SS | SS Leo XIII | Encyclica 'Officio Sanctissimo' | EN | doc |
| 75 | 1887-12-22 | SS | SS Leo XIII | Encyclica 'Officio Sanctissimo' | IT | doc |
| 31 | 1888-04-01 | SS | SS Leo XIII | Encyclica 'Quod Anniversarius' | EN | doc |
| 33 | 1888-04-01 | SS | SS Leo XIII | Encyclica 'Quod Anniversarius' | IT | doc |
| 79 | 1888-05-05 | SS | SS Leo XIII | Encyclica 'In Plurimis' | EN | doc |
| 69 | 1888-05-05 | SS | SS Leo XIII | Encyclica 'In Plurimis' | IT | doc |
| 90 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | EN | doc |
| 93 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | ES | doc |
| 105 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | FR | doc |
| 91 | 1888-06-20 | SS | SS Leo XIII | Encyclica 'Libertas' | IT | doc |
| 34 | 1888-06-24 | SS | SS Leo XIII | Encyclica 'Saepe Nos' | EN | doc |
| 35 | 1888-06-24 | SS | SS Leo XIII | Encyclica 'Saepe Nos' | IT | doc |
| 45 | 1888-07-25 | SS | SS Leo XIII | Encyclica 'Paterna Caritas' | EN | doc |
| 44 | 1888-07-25 | SS | SS Leo XIII | Encyclica 'Paterna Caritas' | IT | doc |
| 33 | 1888-12-10 | SS | SS Leo XIII | Encyclica 'Quam Aerumnosa' | EN | doc |
| 33 | 1888-12-10 | SS | SS Leo XIII | Encyclica 'Quam Aerumnosa' | IT | doc |
| 28 | 1888-12-21 | SS | SS Leo XIII | Encyclica 'Etsi Cunctas' | EN | doc |
| 30 | 1888-12-21 | SS | SS Leo XIII | Encyclica 'Etsi Cunctas' | IT | doc |
| 59 | 1888-12-25 | SS | SS Leo XIII | Encyclica 'Exeunte Iam Anno' | EN | doc |
| 62 | 1888-12-25 | SS | SS Leo XIII | Encyclica 'Exeunte Iam Anno' | IT | doc |
| 31 | 1889-03-07 | SS | SS Leo XIII | Encyclica 'Magni Nobis' | EN | doc |
| 33 | 1889-03-07 | SS | SS Leo XIII | Encyclica 'Magni Nobis' | IT | doc |
| 38 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | EN | doc |
| 40 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | ES | doc |
| 44 | 1889-08-15 | SS | SS Leo XIII | Encyclica 'Quamquam Pluries' | IT | doc |
| 102 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | EN | doc |
| 129 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | ES | doc |
| 100 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | FR | doc |
| 82 | 1890-01-10 | SS | SS Leo XIII | Encyclica 'Sapientiae Christianae' | IT | doc |
| 67 | 1890-10-15 | SS | SS Leo XIII | Encyclica 'Dall'Alto Dell'Apostolico Seggio' | EN | doc |
| 53 | 1890-10-15 | SS | SS Leo XIII | Encyclica 'Dall'Alto Dell'Apostolico Seggio' | PT | doc |
| 35 | 1890-11-20 | SS | SS Leo XIII | Encyclica 'Catholicae Ecclesiae' | EN | doc |
| 39 | 1890-11-20 | SS | SS Leo XIII | Encyclica 'Catholicae Ecclesiae' | IT | doc |
| 40 | 1891-03-03 | SS | SS Leo XIII | Encyclica 'In Ipso' | IT | doc |
| 126 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | EN | doc |
| 123 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | ES | doc |
| 156 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | FR | doc |
| 147 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | GE | doc |
| 115 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | IT | doc |
| 145 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | LT | doc |
| 191 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | PL | doc |
| 112 | 1891-05-15 | SS | SS Leo XIII | Encyclica 'Rerum Novarum Cupidi' | PT | doc |
| 40 | 1891-06-25 | SS | SS Leo XIII | Encyclica 'Pastoralis Vigilantiae' | EN | doc |
| 45 | 1891-06-25 | SS | SS Leo XIII | Encyclica 'Pastoralis Vigilantiae' | IT | doc |
| 35 | 1891-09-12 | SS | SS Leo XIII | Encyclica 'Pastoralis Officii' | EN | doc |
| 39 | 1891-09-12 | SS | SS Leo XIII | Encyclica 'Pastoralis Officii' | IT | doc |
| 61 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | EN | doc |
| 58 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | IT | doc |
| 57 | 1891-09-22 | SS | SS Leo XIII | Encyclica 'Octobri Mense' | PT | doc |
| 65 | 1892-02-16 | SS | SS Leo XIII | Encyclica 'Au Milieu Des Sollicitudes' | EN | doc |
| 39 | 1892-06-16 | SS | SS Leo XIII | Encyclica 'Quarto Abeunte Saeculo' | EN | doc |
| 41 | 1892-06-16 | SS | SS Leo XIII | Encyclica 'Quarto Abeunte Saeculo' | IT | doc |
| 61 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | EN | doc |
| 56 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | IT | doc |
| 48 | 1892-09-08 | SS | SS Leo XIII | Encyclica 'Magnae Dei Matris' | PT | doc |
| 46 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Custodi di Quella Fede' | EN | doc |
| 34 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Inimica Vis' | EN | doc |
| 48 | 1892-12-08 | SS | SS Leo XIII | Encyclica 'Inimica Vis' | IT | doc |
| 37 | 1893-06-24 | SS | SS Leo XIII | Encyclica 'Ad Extremas' | EN | doc |
| 41 | 1893-06-24 | SS | SS Leo XIII | Encyclica 'Ad Extremas' | IT | doc |
| 49 | 1893-09-02 | SS | SS Leo XIII | Encyclica 'Constanti Hungarorum' | EN | doc |
| 51 | 1893-09-02 | SS | SS Leo XIII | Encyclica 'Constanti Hungarorum' | IT | doc |
| 47 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | EN | doc |
| 49 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | IT | doc |
| 42 | 1893-09-08 | SS | SS Leo XIII | Encyclica 'Laetitiae Sanctae' | PT | doc |
| 40 | 1893-10-25 | SS | SS Leo XIII | Encyclica 'Non Mediocri' | EN | doc |
| 36 | 1893-10-25 | SS | SS Leo XIII | Encyclica 'Non Mediocri' | FR | doc |
| 111 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | EN | doc |
| 128 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | FR | doc |
| 103 | 1893-11-18 | SS | SS Leo XIII | Encyclica 'Providentissimus Deus' | IT | doc |
| 56 | 1894-03-19 | SS | SS Leo XIII | Encyclica 'Caritatis Providentiaeque' | EN | doc |
| 58 | 1894-03-19 | SS | SS Leo XIII | Encyclica 'Caritatis Providentiaeque' | IT | doc |
| 45 | 1894-05-01 | SS | SS Leo XIII | Encyclica 'Inter Graves' | EN | doc |
| 41 | 1894-06-02 | SS | SS Leo XIII | Encyclica 'Litteras A Vobis' | EN | doc |
| 46 | 1894-09-08 | SS | SS Leo XIII | Encyclica 'Iucunda Semper Expectatione' | EN | doc |
| 43 | 1894-09-08 | SS | SS Leo XIII | Encyclica 'Iucunda Semper Expectatione' | PT | doc |
| 31 | 1894-12-24 | SS | SS Leo XIII | Encyclica 'Christi Nomen' | EN | doc |
| 68 | 1895-01-06 | SS | SS Leo XIII | Encyclica 'Longinqua' | EN | doc |
| 35 | 1895-06-10 | SS | SS Leo XIII | Encyclica 'Permoti Nos' | EN | doc |
| 60 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | EN | doc |
| 51 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | IT | doc |
| 30 | 1895-09-05 | SS | SS Leo XIII | Encycllica 'Adiutricem Populi' | PT | doc |
| 51 | 1896-05-01 | SS | SS Leo XIII | Encyclica 'Insignes' | EN | doc |
| 121 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | EN | doc |
| 152 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | ES | doc |
| 112 | 1896-06-29 | SS | SS Leo XIII | Encyclica 'Satis Cognitum' | IT | doc |
| 41 | 1896-09-20 | SS | SS Leo XIII | Encyclica 'Fidentem Piumque Animum' | EN | doc |
| 38 | 1896-09-20 | SS | SS Leo XIII | Encyclica 'Fidentem Piumque Animum' | PT | doc |
| 46 | 1897-08-01 | SS | SS Leo XIII | Encyclica 'Militantis Ecclesiae' | EN | doc |
| 50 | 1897-08-01 | SS | SS Leo XIII | Encyclica 'Militantis Ecclesiae' | IT | doc |
| 43 | 1897-10-12 | SS | SS Leo XIII | Encyclica 'Augustissimae Virginis Mariae' | EN | doc |
| 37 | 1897-10-12 | SS | SS Leo XIII | Encyclica 'Augustissimae Virginis Mariae' | PT | doc |
| 41 | 1897-12-08 | SS | SS Leo XIII | Encyclica 'Affari Vos' | EN | doc |
| 45 | 1897-12-08 | SS | SS Leo XIII | Encyclica 'Affari Vos' | IT | doc |
| 48 | 1898-07-25 | SS | SS Leo XIII | Encyclica 'Caritatis Studium' | EN | doc |
| 52 | 1898-07-25 | SS | SS Leo XIII | Encyclica 'Caritatis Studium' | IT | doc |
| 49 | 1898-08-05 | SS | SS Leo XIII | Encyclica 'Spesse Volte' | EN | doc |
| 53 | 1898-08-05 | SS | SS Leo XIII | Encyclica 'Spesse Volte' | IT | doc |
| 37 | 1898-08-16 | SS | SS Leo XIII | Encyclica 'Quam Religiosa' | EN | doc |
| 36 | 1898-08-16 | SS | SS Leo XIII | Encyclica 'Quam Religiosa' | IT | doc |
| 33 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | EN | doc |
| 35 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | IT | doc |
| 32 | 1898-09-15 | SS | SS Leo XIII | Encyclica 'Diuturni Temporis' | PT | doc |
| 28 | 1898-12-25 | SS | SS Leo XIII | Encyclica 'Quum Diuturnum' | EN | doc |
| 31 | 1898-12-25 | SS | SS Leo XIII | Encyclica 'Quum Diuturnum' | IT | doc |
| 42 | 1899-05-25 | SS | SS Leo XIII | Encyclica 'Annum Sacrum' | EN | doc |
| 45 | 1899-05-25 | SS | SS Leo XIII | Encyclica 'Annum Sacrum' | IT | doc |
| 84 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | EN | doc |
| 26 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | ES | doc |
| 91 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | FR | doc |
| 80 | 1899-09-08 | SS | SS Leo XIII | Encyclica 'Depuis le Jour' | IT | doc |
| 41 | 1899-09-18 | SS | SS Leo XIII | Encyclica 'Paternae Providaeque' | EN | doc |
| 40 | 1899-09-18 | SS | SS Leo XIII | Encyclica 'Paternae Providaeque' | IT | doc |
| 36 | 1900-07-21 | SS | SS Leo XIII | Encyclica 'Omnibus Compertum' | EN | doc |
| 35 | 1900-07-21 | SS | SS Leo XIII | Encyclica 'Omnibus Compertum' | IT | doc |
| 57 | 1900-11-01 | SS | SS Leo XIII | Encyclica 'Tametsi Futura Prospicientibus' | EN | doc |
| 68 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | EN | doc |
| 84 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | FR | doc |
| 59 | 1901-01-18 | SS | SS Leo XIII | Encyclica 'Graves de Communi Re' | IT | doc |
| 35 | 1901-08-25 | SS | SS Leo XIII | Encyclica 'Reputantibus Saepe' | IT | doc |
| 35 | 1901-11-20 | SS | SS Leo XIII | Encyclica 'Urbanitatis Veteris' | EN | doc |
| 31 | 1902-04-15 | SS | SS Leo XIII | Encyclica 'In Amplissimo' | EN | doc |
| 28 | 1902-04-30 | SS | SS Leo XIII | Encyclica 'Quod Votis' | EN | doc |
| 67 | 1902-05-28 | SS | SS Leo XIII | Encyclica 'Mirae Caritatis' | EN | doc |
| 64 | 1902-05-28 | SS | SS Leo XIII | Encyclica 'Mirae Caritatis' | IT | doc |
| 27 | 1902-11-22 | SS | SS Leo XIII | Encyclica 'Quae ad Nos' | EN | doc |
| 56 | 1902-12-08 | SS | SS Leo XIII | Encyclica 'Fin Dal Principio' | EN | doc |
| 50 | 1902-12-08 | SS | SS Leo XIII | Encyclica 'Fin Dal Principio' | IT | doc |
| 30 | 1902-12-24 | SS | SS Leo XIII | Encyclica 'Dum Multa' | EN | doc |
| 97 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | EN | doc |
| 98 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | ES | doc |
| 107 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | FR | doc |
| 84 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | IT | doc |
| 75 | 1985-11-01 | SS | SS Leo XIII | Encyclica 'Immortale Dei' | PT | doc |
| Si est ex hominibus consilium hoc aut opus hoc, dissolvetur; si vero ex Deo est, non poteritis dissolvere. |
| Οτι εαν η εξ ανθρωπων η βουλη αυτη η το εργον τουτο καταλυθησεται ει δε εκ θεου εστιν ου δυνασθε καταλυσαι. |
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