Papal Encyclicals

Pope Leo XIII

  1. Inscrutabili Dei Consilio: On the Evils of Society—1878 
  2. Arcanum: On Christian Marriage—1879
  3. Diuturnum: On the Origin of Civil Power—1881 
  4. Immortale Dei: On the Christian Constitution of the States—1885 
  5. Libertas Præstantissimum: On the Nature of Human Liberty—1888 
  6. Euxunte Iam Anno: On the Right Ordering of Christian Life—1888 
  7. Sapientiæ Christianæ: On Christians as Citizens—1890 
  8. Rerum Novarum: On the Rights and Duties of Capital and Labor—1891 
  9. Testem Benevolentiæ Nostræ: On Americanism—1899 
  10. Graves de Communi Re: On Christian Democracy—1901 

St. Pope Pius X

  1. Pascendi Dominici Gregis: On the Doctrine of the Modernists—1907 
  2. Une Fois Encore: On the Separation of Church and State—1907 

Pope Benedict XV

  1. Ad Beatissimi Apostolorum: Appealing for Peace—1914 
  2. Quod Iam Diu: On the Future Peace Conference—1918 

Pope Pius XI

  1. Casti Connubii: On Christian Marriage—1930 
  2. Non Abbiamo Bisogno: Catholic Action in Italy—1931 
  3. Nova Impendet: On the Current Economic Crisis—1931 
  4. Quadragesimo Anno: Reconstruction of the Social Order—1931 
  5. Acerba Animi: On the Persecution of the Church in Mexico—1932 
  6. Dilectissima Nobis: On the Persecution of the Church in Spain—1933 
  7. Divini Redemptoris: On Atheistic Communism—1937 
  8. Mit Brennender Sorge:On the Church and the German Reich—1937

Pope Pius XII

  1. Summi Pontificatus: The Darkness Over the Earth—1939
  2. Anni Sacri: Combating Atheists—1940
  3. Communium Interpretes Doloraum: Interpreter of the Universal Anguish—1945
  4. Optatissima Pax: Longed-for-Peace—1947
  5. Summi Maeroris: With Deepest Sorrow—1950
  6. Ad Sinarum Gentem: On the Supranationality of the Church—1954
  7. Datis Nuperrime: Lamenting the Sorrowful Event in Hungary and Condemning the Ruthless Use of Force—1956
  8. Le Pelerinage de Lourdes: Against Materialism on the Centenary of the Apparitions at Lourdes—1957
  9. Ad Apostolorum Principis: At the Prince of the Apostles—1958

St. Pope John XXIII

  1. Mater et Magistra: Church as Mother and Teacher of All Nations—1961

Pope Paul VI

  1. Populorum Progressio: On the Progression of Peoples—1967
  2. Humanae Vitae: On the Regulation of Human Births—1968 

St. Pope John Paul II

  1. Laborem Exercens: On Human Work—1981 
  2. Centesimus Annus: On the 100th Anniversary of Pope Leo XIII’s Rerum Novarum—1991 
  3. Veritatis Splendor: The Splendor of Truth Regarding Certain Fundamental Questions of the Church’s Moral Teaching—1993 
  4. Evangelium Vitæ: The Gospel of Life—1995 
  5. Fides et Ratio: Faith and Reason—1998 

Benedict XVI

  1. Caritas in Veritate: Charity in Truth—2009