Apostolic Letters (Gregory XVI) Chiamati Dalla Divina – Proclamation of the Supreme Pontiff To the Subjects of the Papal State Involved in the Internal Uprisings (Gregory XVI – Feb. 9, 1831) Litteras Accepimus – Apostolic Letter of the Supreme Pontiff Communicating the Correction of Lamennais to the Bishop of Rennes (Gregory XVI – Oct. 5, 1833) Quod de Tua – Apostolic Letter of the Supreme Pontiff to F. Lammenais On His Declaration (Gregory XVI – Dec. 28, 1833) La Moltiplicita – Apostolic Letter of the Supreme Pontiff Confirming the Rule of Marriage Dispensations (Gregory XVI – Nov 22, 1836) Hanno Sempre – Apostolic Letter of the Supreme Pontiff Entrusting the Sculptural Objects that Make Up the Capitoline Museum to the Custody of the Gentlemen Conservators of Rome (Gregory XVI – Sep. 18, 1838) In Consistorio – Apostolic Letter of the Supreme Pontiff to Venerable Brother Francis, Patriarch of Lisbon (Gregory XVI – April 6, 1843) Ad Gravissimas – Apostolic Letter of the Supreme Pontiff to the Archbishop of Malta (Gregory XVI – Aug. 31, 1843) Ubi Novam – Apostolic Letter of the Supreme Pontiff Praising the Bishop of Bayeux For His Defense of the Faith (Gregory XVI – Nov. 8, 1843) Cum Maxima – Apostolic Letter of the Supreme Pontiff to the Archbishop of Prague (Gregory XVI – Mar. 31, 1844) Summa Quidem – Apostolic Letter of the Supreme Pontiff to the Prelates of Bohemia Acknowledging and Encouraging Their Devotion to the Most Blessed Virgin Mary as Immaculately Conceived (Gregory XVI – Apr. 23, 1845) Maximis Angustiis – Apostolic Letter of the Supreme Pontiff On the Suppression of the Liberty of the Church in Printing the Letters of the Sacred Prelates in the Duchy of Etruria (Gregory XVI – Apr. 27, 1844) Libentissime Fraternitatis – Apostolic Letter of the Supreme Pontiff Enriching the Sacrament of Marriage Granted to Those in the Diocese of Bruges Formerly Living in Concubinage With Indulgences (Gregory XVI – May 28, 1945) Inter Gravissimas – Apostolic Letter of the Supreme Pontiff Exhorting the Prelates of the Grand Duchy of Etruria to Entreat His Imperial and Royal Highness the Grand Duke to Seriously Reconsider His Position (Gregory XVI – June 28, 1845)