| The Epistle of Cyril to Nestorius - Sanborn-Percival translation. With notes. From the Nicene and Post-Nicene Fathers of the Christian Church, second series, vol. 14.
| | Second Letter of Cyril to Nestorius - Tanner translation. Approved by the Council of Ephesus in 431 as being in conformity with Nicaea.
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