Ineffabilis Deus
On the Immaculate Conception
Read the official textpapalencyclicals.net
Original text published before 1931: public domain in the US. Modern English translations (e.g. vatican.va's) may still be under copyright.
Cite this page
This catalogue
Ineffabilis Deus (1854). On the Immaculate Conception. docs.church. https://docs.church/ineffabilis-deus
Official citation
Pius IX, Ineffabilis Deus (8 December 1854). https://www.papalencyclicals.net/pius09/p9ineff.htm