Sermon 85  
   On the Feast of S. Laurence the Martyr. With notes. At Christian Classics Ethereal Library.
   http://www.ccel.org/fathers2/NPNF2-12/Npnf2-12-216.htm

Letters  
   Charles Lett Feltoe translation, from the Nicene and Post-Nicene Fathers of the Christian Church, second series, vol. 12. Each letter in its own file, with notes and links to contents, previous, next. At Christian Classics Ethereal Library.
   http://www.ccel.org/fathers2/NPNF2-12/Npnf2-12-05.htm

Sermons  
   Charles Lett Feltoe translation, from the Nicene and Post-Nicene Fathers of the Christian Church, second series, vol. 12. Each sermon in its own file, with notes and links to contents, previous, next.
   http://www.ccel.org/fathers2/NPNF2-12/Npnf2-12-172.htm

Letter to Flavian, Commonly Called "The Tome"  
   Charles Lett Feltoe translation, from the Nicene and Post-Nicene Fathers of the Christian Church, second series, vol. 12. With notes, at Christian Classics Ethereal Library.
   http://www.ccel.org/fathers2/NPNF2-12/Npnf2-12-33.htm

Letter to Flavian  
   Tanner translation.
   http://www.dailycatholic.org/history/4ecumen1.htm#The letter of Pope Leo to Flavian, bishop of Constantinople, about Eutyches

The Tome  
   Henry R. Percival translation. From the Nicene and Post-Nicene Fathers of the Christian Church, second series, vol. 14. Included in this volume on the ecumenical councils because Leo's letter was approved at Chalcedon. With notes, at Christian Classics
   http://www.ccel.org/fathers2/NPNF2-14/Npnf2-14-94.htm