Guardians of That Faith (Leo XIII, 1892)
Addressed to the Italian people warning against the allurements and false promises of the Freemasons. Pope Leo XIII wrote his encyclical Humanum Genus: On Freemasonry, on April 20, 1884, and another, Dall'Alto Dell'Apostolico Seggio: To the bishops, clergy and people of Italy on Freemasonry in Italy, on October 15, 1890.