Encyclical/Catalogs

Selected encyclicals

• Pius IX
  • Quanta Cura (1864)

• Leo XIII
  • Inscrutabilis (1878)
  • Aeterni Patris (1879)
  • Diuternum illud (1881)
  • Rerum Novarum (1891)

• Pius X
  • Pascendi Dominici Gregis (1907)

• Pius XI
  • Quadragesimo Anno (1931)

Encyclicals of Pope Pius XII (1939-58)

Date	Name of encyclical	Subject matter
October 20, 1939	Summi Pontificatus	Function of the state in the modern world
June 29, 1943	Mystici Corporis Christi	Defined the Church as the mystical body of Christ
September 30, 1943	Divino afflante Spiritu	Biblical studies, authorized used of exegetical methods
August 12, 1950	Humani Generis	Certain modern views; also addressed authority of encyclicals generally

• John XXIII
  • Mater et Magistra (1961)
  • Pacem in Terris (1963)

• Paul VI
  • Populorum Progressio (1967)
  • Humanae Vitae (1968)

• John Paul II
  • Laborem Exercens (1981)
  • Fides et Ratio (1998)