Pope Pius's encyclicals
Among his most prominent encyclicals were
- Mystici Corporis Christi: On the Mystical Body, 29 June 1943
- Communium Interpretes Doloraum: An Appeal for Prayers for Peace, 15 April 1945
- Fulgens Radiatur: Encyclical on Saint Benedict, 21 March 1947
- Mediator Dei: On the Sacred Liturgy, 20 November 1947
- Auspicia Quaedam: On Public Prayers For World Peace And Solution Of The Problem Of Palestine, 1 May 1948
- In Multiplicibus Curis: On Prayers for Peace in Palestine, 24 October 1948
- Redemptoris Nostri Cruciatus: On the Holy Places in Palestine, 15 April 1949
- Anni Sacri: On A Program For Combating Atheistic Propaganda Throughout The World, 12 March 1950
- Humani Generis: Concerning Some False Opinions Threatening to Undermine the Foundations of Catholic Doctrine, 12 August 1950
- Munificentissimus Deus, 1 November 1950 (on the Assumption of the Blessed Virgin Mary into heaven) This particular encyclical is considered infallible. Perhaps contrary to popular conceptions, it is very rare for a pope to invoke papal infallibility. This was one of those rare occasions—the only one in the 20th century.
- Ingruentium Malorum: On Reciting the Rosary: Encyclical promulgated on 15 September 1951
- Fulgens Corona: Proclaiming a Marian year to Commemorate the Centenary of the Definition of the Dogma of the Immaculate Conception, 8 September 1953
- Ad Caeli Reginam: On Proclaiming the Queenship of Mary, Encyclical promulgated on 11 October 1954
- Datis Nuperrime: Lamenting the Sorrowful Events in Hungary, and Condemning the Ruthless Use of Force, 5 November 1956
- Miranda Prorsus: On the Communications Field: Motion Pictures, Radio, Television, 8 September 1957