Gregory XVI (1831-1846)
- Commissum Divinitus - On Church and State (May 17, 1835)
- Cum Primum - On Civil Obedience (June 29, 1832)
- In Supremo Apostolatus - On the Condemnation of the Slave Trade (December 3, 1839)
- Inter Praecipuas - On Biblical Societies (May 8, 1844)
- Mirari Vos - On Liberalism & Religious Indifferentism (August 15, 1832)
- Probe Nostis - On the Propagation of the Faith (September 18, 1840)
- Quas Vestro - On Mixed Marriages (April 20, 1841)...Addresses the prelates of Hungary
- Quo Graviora - On the "Pragmatic Constitution" (October 4, 1833)
- Singulari Nos - On the Errors of Bishop Lammenais of Rennes (June 25, 1834)
- Summo Iugiter Studio - On Mixed Marriages (May 27, 1832)...Particularly addresses its practice in Bavaria
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