Sermon 85
- On the Feast of S. Laurence the Martyr. With notes. At Christian Classics Ethereal Library.
- http://www.ccel.org/ccel/schaff/npnf212.ii.v.xliv.html

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/ccel/schaff/npnf212.ii.iv.html

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

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

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

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