Briefs (Leo XIII) Pontifices Maximi – Brief of the Supreme Pontiff Proclaiming the Jubilee Indulgence (Leo XIII – Feb. 15, 1879) Cum Hoc Sit – Brief of the Supreme Pontiff Declaring St. Thomas Aquinas Patron of the Schools (Leo XIII – Aug. 4, 1880) Militans Jesu – Brief of the Supreme Pontiff Notifying the Whole Catholic World of the Progress of the Enemies of Catholicism and of the Remedy of an Extraordinary Jubilee (Leo XIII – Mar. 12, 1881) Dolemus Inter – Brief of the Supreme Pontiff Testifying to the Love Which He Bears to the Illustrious Society of Jesus (Leo XIII – July 13, 1886) Felix Nazarethana – Brief of the Supreme Pontiff Granting a Plenary and Other Indulgences For the Visitation of the Loreto Basilica (Leo XIII – Jan. 23, 1894) Provida Matris – Brief of the Supreme Pontiff Announcing a Perpetual Pentecost Indulgence For Special Prayers Addressed to the Holy Spirit (Leo XIII – May 5, 1895) Magni Commemoratio – Brief of the Supreme Pontiff Granting an Indulgence to the Celebration of the XIV Centenary of the Baptism of King Clovis of the Franks (Leo XIII – Jan. 8, 1896)