Leo XIII Humanum Genus – Encyclical Letter of the Supreme Pontiff on Freemasonry (Leo XIII – 1884) Dall ‘Alto Dell ‘Apostolico Seggio – Encyclical Letter of the Supreme Pontiff On Conquering Freemasonry in Italy (Leo XIII – Oct. 15, 1890) Inimica Vis – Encyclical Letter of the Supreme Pontiff On Freemasonry in Italy (Leo XIII – Dec. 8, 1892) Custodi Di Quella Fede – Encyclical Letter of the Supreme Pontiff On the Effects of and the Fight Against Masonry in Italy (Leo XIII – Oct. 8, 1892)
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