Chronological (Pius XI)

Se A Codesto – Letter of His Holiness Pius XI to Prince Camillo Francesco Massimo on the Occassion of the Third Centenary of the Canonization of St. Philip Neri (Mar. 8, 1922)

Con Vivo Piacere – Letter of His Holiness Pius XI to the Most Reverend Father Giosue Signori, Archbishop of Genoa (Apr. 7, 1922)

Con Vivo Compiacimento – Letter of His Holiness Pius XI to Father Agostino Gemelli , Founder of the Catholic University of the Sacred Heart in Milan (Apr. 22, 1922)

Accipietis Virtutem – Homily of His Holiness Pius XI for the Eucharistic Celebration on the Occassion of the Third Centenary of the Propaganda Fide (Pentecost Sunday, 4 June 1922)

Ubi Arcano Dei Consilio – Encyclical Letter of the Supreme Pontiff On the Peace of Christ in the Kingdom of Christ (Pius XI – Dec. 23, 1922)

Rerum Omnium Perturbationem – Encyclical Letter of the Supreme Pontiff On St. Francis de Sales (Pius XI – Jan. 26, 1923)

Studiorum Ducem – Encyclical Letter of the Supreme Pontiff On St. Thomas Aquinas (Pius XI – June 29, 1923)

Ecclesiam Dei – Encyclical Letter of the Supreme Pontiff On the Occassion of the 300th Anniversary of the Martyrdom of St. Joshaphat, Archbishop of Polotsk (Pius XI – Nov. 12, 1923)

Maximam Gravissimamque – Encyclical Letter of the Supreme Pontiff On French Diocesan Associations (Pius XI – Jan. 18, 1924)

Infinita Dei Misericordia – Bull of Induction of the Universal Jubilee of the Holy Year 1925 (Pius XI – May 29, 1924)

Benedictus Deus – Homily of His Holiness Pius XI for the Eucharistic Celebration in Honor of St. Theresa of the Child Jesus (May 17, 1925)

Quas Primas – On The Feast of Christ the King (Pius XI – 1925)

Rerum Ecclesiae – Encyclical Letter of the Supreme Pontiff On Catholic Missions (Pius XI – Feb. 28, 1926)

Rite Expiatis – Encyclical Letter of the Supreme Pontiff On St. Francis of Assisi (Pius XI – April 30, 1926)

Iam Finis – Homily of His Holiness Pius XI for the Eucharistic Celebration for the Consecration of the First Six Chinese Bishops (Oct. 28, 1926)

Iniquis Afflictisque – Encyclical Letter of the Supreme Pontiff On the Persecution of the Church in Mexico (Pius XI – Nov. 18, 1926)

Anno Vix Elapso – Homily of His Holiness Pius XI for the Eucharistic Celebration for the Consecration of the First Japanese Bishop Monsignor Hayosaka, Bishop of Nagasaki (Oct. 30, 1927)

Mortalium Animos – On Religious Unity (Pope Pius XI – Jan. 6, 1928)

Miserentissimus Redemptor – Encyclical Letter of the Supreme Pontiff On Reparation to the Sacred Heart (Pius XI – May 8, 1928)

Rerum Orientalium – Encyclical Letter of the Supreme Pontiff On the Promotion of Oriental Studies (Pius XI – Sep. 8, 1928)

Divini Cultus – Bull of the Supreme Pontiff On Sacred Music (Pius XI – Dec. 20, 1928)

Auspicantibus Nobis – Apostolic Constitution of the Supreme Pontiff Announcing the Extraordinary Jubilee of 1929 And Indicating the Conditions For Gaining the Planned Indulgence (Pius XI – Jan. 6, 1929)

Mirabilis Deus – Brief of the Supreme Pontiff On Blessed John Bosco (Pius XI – June 2, 1929)

Mens Nostra – Encyclical Letter of the Supreme Pontiff On the Spiritual Exercises (Pius XI – Dec. 20, 1929)

Quinquagesimo Ante Anno – Encyclical Letter of the Supreme Pontiff On the Occassion of the Closing of the JubileeYear (Pius XI – Dec. 23, 1929)

Divini Illius Magistri – Encyclical Letter of the Supreme Pontiff On Christian Education (Pius XI – Dec. 31, 1929)

Ad Salutem Humani – Encyclical Letter of the Supreme Pontiff On the Occassion of the Fifteenth Centenary of the Death of St. Augustine (Pius XI – April 20, 1930)

Casti Connubii – On Christian Marriage (Pius XI – Dec. 31, 1930)

Quadragesimo Anno – Encyclical Letter of the Supreme Pontiff On Reconstruction of the Social Order (Pius XI – May 15, 1931)

Non Abbiamo Bisogno – Encyclical Letter of the Supreme Pontiff On Persecution of Catholic Action by the Fascists in Italy (Pius XI – June 29, 1931)

Nova Impendet – On The Economic Crisis (Pius XI – Oct. 2, 1931)

Lux Veritatis – Encyclical Letter of the Supreme Pontiff On the Council of Ephesus and On the Publishing of an Office and Mass of the Divine Maternity (Pius XI – Dec. 25, 1931)

Caritate Christi Compulsi – On The Sacred Heart of Christ (Pius XI – May 3, 1932)

Acerba Animi – Encyclical Letter of the Supreme Pontiff On Persecution of the Church in Mexico (Pius XI – Sep. 29, 1932)

Dilectissima Nobis – Encyclical Letter of the Supreme Pontiff On Oppression of the Church in Spain (Pius XI – June 3, 1933)

Ad Catholici Sacerdotii – Encyclical Letter of the Supreme Pontiff On the Catholic Priesthood (Pius XI – Dec. 20, 1935)

Vigilante Cura – Encyclical Letter of the Supreme Pontiff On the Motion Picture (Pius XI – June 29, 1936)

Mit Brennender Sorge – Encyclical Letter of the Supreme Pontiff On the Church and the German Reich (Pius XI – Mar. 14, 1937)

Divini Redemptoris – On Atheistic Communism (Pius XI – Mar. 19, 1937)

Firmissimam Constantiam – Encyclical Letter of the Supreme Pontiff On the Religious Situation in Mexico (Pius XI – Mar. 28, 1937)

Ingravescentibus Malis – Encyclical Letter of the Supreme Pontiff On the Rosary (Pius XI – Sep. 29, 1937)

Con Singular Complacencia – Apostolic Letter of the Supreme Pontiff On Philippine Catholic Action (Pius XI – Jan. 18, 1939)