This presentation will be better understood in the light of writer's studies: 1) " St. Cyril's `One Physis or Hypostasis of God the Logos Incarnate and Chalcedon," in The Greek Orthodox Theological Review, Vol. X, 2 Winter 1964-65; in " Does Chalcedon Divide or Unite?" Edited by Paul Gregorios, William H. Lazereth, Nikos Nissiotis, WCC, Geneva 1981, pp. 50-75; in " Christ in East and West," edited by Paul R. Fries and Tiran Nersoyan, Mercer University Press, 1987, pp.15-34. 2) " Highlights in the Debate over Theodore of Mopsuestia's Christology," The Greek Orthodox Theological Review, Vol. VII, 2 (1959-60), pp. 140-185.
 Dogmatics (in Greek), Thessaloniki 1973.
 See John S. Romanides, " " Highlights in the Debate Over Theodore of Mopsuestia' s Christology," in The Greek Orthodox Theological Review, vol. v, no. 2 (1959-60), pp. 140-185.
 Mansi VIII, 817-834; Patrologia Orientalis, XIII, 192-196.
 Here on page 53 " Mary is `Theotokos, the mother of him who is also God..." For the Council Mary is the mother of God.