Briefs (Leo XII) Cum Multa – Brief of the Supreme Pontiff Transferring the Work of the Roman College to the Society of Jesus (Leo XII – May 17, 1824) Etsi Iam Diu – Brief of the Supreme Pontiff Exhorting the Bishops of America to Inculcate Obedience (Leo XII – Sept. 24, 1824) Ecclesiarum Omnium – Brief of the Supreme Pontiff On Support For the Church of Goa (Leo XII – Dec. 12, 1826) Quanta Laetitia – Brief of the Supreme Pontiff On the Establishment of Ecclesiastical Districts in Scotland (Leo XII – Feb. 13, 1827) Inter Multiplices – Brief of the Supreme Pontiff On the Establishment of the Diocese of Detroit (Leo XII – Mar. 20, 1827) Fructus Quos – Brief of the Supreme Pontiff Endorsing the “Catholic Society of Good Books” Established in France (Leo XII – Oct. 2, 1827)