In Praeclara Summorum – Encyclical Letter of the Supreme Pontiff Initiating the Cycle of the Centenary Celebrations of Dante Alighieri (Benedict XV – April 30, 1921)
In Praeclara Summorum – Encyclical Letter of the Supreme Pontiff Initiating the Cycle of the Centenary Celebrations of Dante Alighieri (Benedict XV – April 30, 1921)
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