Apostolic Constitutions (Leo XIII) Misericors Dei Filius – Apostolic Constitution of the Supreme Pontiff Renewing and Sanctioning the Rule of the Third Secular Order of St. Francis (Leo XIII – May 30, 1883) Apostolicae Curae – Sep. 15, 1896 Officiorum Ac Munerum – The Prohibition and Censorship of Books (Leo XIII – 1897) Ubi Primum – Apostolic Constitution of the Supreme Pontiff On the Laws, Rights, and Privileges of the Confraternity of the Most Holy Rosary (Leo XIII – Oct. 2, 1898)
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