Who
The fourth ecumenical council, called by the emperor Marcian and attended by some 520 bishops, which condemned Eutyches and accepted the Tome of Leo. Its definition confesses one Christ in two natures "without confusion, change, division or separation", and names Mary Theotokos "as to his manhood", restating Ephesus in the balance the Church has kept since. The churches that refused it, among them Severus of Antioch's, still shared its faith about Mary. Its own texts are on this site in Henry R. Percival's 1900 translation.
Contents
- Extracts from the Acts. Session I
- Extracts from the Acts. Session II
- The Letter of Cyril to John of Antioch
- Extracts from the Acts. Session II. (Continued)
- The Tome of St. Leo
- Extracts from the Acts. Session II. (Continued)
- Session III
- The Condemnation Sent by the Holy and Ecumenical Synod to Dioscorus
- Extracts from the Acts. Session IV
- Session V
- The Definition of Faith of the Council of Chalcedon
- Extracts from the Acts. Session VI
- Decree on the Jurisdiction of Jerusalem and Antioch. Session VII
- The Decree with Regard to the Bishop of Ephesus. Session XII
- Decree with Regard to Nicomedia. Session XIII
- The XXX Canons of the Holy and Fourth Synods, of Chalcedon
- Extracts from the Acts. Session XVI
- Editor's introduction and excursus
In Jewish Roots of Mary
Who
The fourth ecumenical council, which defined that Christ is one person in two natures and received Leo's Tome with the cry 'Peter has spoken thus through Leo.'
Quoted works
- Acts of the council — Leo's Tome, with its statement on the miraculous birth, acclaimed as orthodox (pp 134–135)

Quoted in
Canon 1 · Canon 2 · Canon 3 · Canon 4 · Canon 5 · …
Decree on the Jurisdiction of Jerusalem and Antioch. Session VII
Decree with Regard to Nicomedia. Session XIII
Editor's excursus
Session 1
Session 2
Session 2 (continued)
Session 2 (continued)
Session 4
Session 6
Session 16
Session 3
Session 5
The Condemnation Sent by the Holy and Ecumenical Synod to Dioscorus
The Decree with Regard to the Bishop of Ephesus. Session XII
The Definition of Faith of the Council of Chalcedon
The Letter of Cyril to John of Antioch
The Tome of St. Leo