The Firmiter of the Fourth Ecumenical Council of the Lateran (1215)
Unam Sanctam – Pope Boniface VIII (1302)
Cantate Domino – Decree for the Jacobites – Council of Florence (Pope Eugenius IV – 1442)
Singulari Quadam (Bl. Pope Pius IX – 1854)
Quanto Conficiamur Moerore (Pope Bl. Pius IX – 1863)
Mystici Corporis Christi (Pope Pius XII – 1943)
Suprema Haec Sacra – Letter of the Holy Office (Pope Pius XII – 1949)
Catholic Audio Files 