Divino Afflante Spiritu
Encyclical promulgated 30 September, 1943. On Biblical studies. HTML, 61K.
Haurietis Aquas
Encyclical on devotion to the Sacred Heart of Jesus, promulgated in 1956. Says that it is beneficial for all to consider the core of this devotion, namely, gratitude for divine lo…
Humani Generis
Encyclical mentions the theory of evolution and is famous for condemning polygenism. Promulgated 12 August, 1950. In HTML.
Le Pèlerinage de Lourdes
Encyclical addressed to the bishops of France, issued during the centenary year of the apparitions of Our Lady of Lourdes.
Pope Pius XII's Easter Message
April 13, 1941. Asks belligerants to spare civilians, and to refrain from escalating tactics of mass destruction.
The Service of Truth
A letter sent by Pius XII to the Archbishop of Westminster, marking the centenary of John Henry Newman's reception into the Catholic Church.