Quo Graviora
On Secret Societies
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
Quo Graviora (1826). On Secret Societies. docs.church. https://docs.church/quo-graviora-1826
Official citation
Leo XII, Quo Graviora (13 March 1826). https://www.papalencyclicals.net/leo12/l12quogr.htm