Notes on contributors; Acknowledgments; Note on the texts and translations; Abbreviations; Series introduction; Introduction; Part I. The Council of Chalcedon and its Reception: 1. The Acts of the Home Synod at Constantinople (November, 448): The Proceedings against Eutyches, Presbyter and Archimandrite Mark DelCogliano; 2. Eutyches, Letter to Leo of Rome Mark DelCogliano; 3. Leo of Rome, The Tome to Flavian of Constantinople Bradley K. Storin; 4. Acts of the Council of Chalcedon (October, 451): Selected Proceedings and the Chalcedonian Definition Mark DelCogliano; 5. Leo of Rome, The Second Tome (Letter to Emperor Leo) Mark DelCogliano; 6. Timothy Aelurus, Petition to Emperor Leo Mark DelCogliano, F. J. Hamilton and E. W. Brooks; 7. Timothy Aelurus, Against the Council of Chalcedon Mark DelCogliano, Philip Michael Forness, R. Y. Ebied, L. R. Wickham and Bradley K. Storin; 8. Timothy Aelurus, Letter to Claudianus Mark DelCogliano, R. Y. Ebied and L. R. Wickham; 9. Emperor Leo, The Henotikon Bradley K. Storin; 10. Pseudo-Dionyius the Areopagite, Fourth Letter Andrew Radde-Gallwitz; 11. Narsai, Metrical Homily on 'the Word became Flesh' (John 1:14) Erin Galgay Walsh; 12. Narsai, Selections from the Metrical Homilies on the Nativity and on the Epiphany Ellen Muehlberger; 13. Philoxenos of Mabbug, Letter to the Monks of Senoun (selections) Ellen Muehlberger; 14. Jacob of Serugh, Metrical Homilies on the Name 'Emmanuel' and on How the Lord is Known in Scripture as Food and Drink Jeanne-Nicole Mellon Saint-Laurent; 15. Jacob of Serugh, Metrical Homily on the Council of Chalcedon Sebastian P. Brock and Mark DelCogliano; 16. Jacob of Serugh, Letter 14 Aaron Michael Butts; 17. Simeon of Beth Arsham, Letter on Bar Ṣawmā and the Heresy of the Nestorians Aaron Michael Butts; 18. Emperor Justinian, Edict on the Orthodox Faith (selection) Mark DelCogliano and Bradley K. Storin; 19. Acts of the Second Council of Constantinople (May–June, 553): Selected Proceedings and the Fourteen Canons Mark DelCogliano; Part II. Christological Perspectives after Constantinople II: 20. Emperor Justin II, The Second Henotikon Bradley K. Storin; 21. Gregory the Great, Selections from his Homilies Mark DelCogliano; 22. Gregory the Great, Letters 1.24, 10.21, and 11.52 Mark DelCogliano; 23. Anonymous Apology for Narsai Erin Galgay Walsh; 24. Babai the Great, On the Union 9 and 17 John Zaleski; 25. Sophronius of Jerusalem, Synodical Letter 1.6 and 3.1–17 Andrew Radde-Gallwitz; 26. Ekthesis of Emperor Heraclius Andrew Radde-Gallwitz; 27. Maximus the Confessor, Ambiguum 31 to John Jonathan L. Zecher; 28. Maximus the Confessor, Ambiguum 5 to Thomas Jonathan L. Zecher; 29. Maximus the Confessor, Opusculum 3 Jonathan L. Zecher and Mark DelCogliano; 30. Maximus the Confessor, Opusculum 6 Jonathan L. Zecher; 31. Maximus the Confessor, Opusculum 7 Jonathan L. Zecher; 32. Typos of 647/648 Andrew Radde-Gallwitz; 33. Acts of the Lateran Synod (October, 649): Selected Proceedings and the Synodal Definition Mark DelCogliano; 34. Acts of the Third Council of Constantinople (680–681): Selected Proceedings and the Synodal Definition Mark DelCogliano; 35. John of Damascus, On Composite Nature against the Leaderless Scott Ables; 36. John of Damascus, On the Faith against the Nestorians Scott Ables; 37. John of Damascus, An Exact Exposition of the Orthodox Faith 57–58 Scott Ables; Suggestions for further reading; Scriptural index.