Hypostatic union (from the Greek: ὑπόστασις, "hypostasis," translated reality or person)  is a term in Christian theology used to describe the Incarnation expressing the revealed truth that in Christ one person subsists in two natures, the Divine and the human. 
- J. Meyendorff, Byzantine Theology, New York (Fordham University Press), 1974.
- Vl. Lossky, The Mystical Theology of the Eastern Church, London (J. Clarke), 1968.
- J. Karmiris, A Synopsis of the Dogmatic Theology of the Orthodox Catholic Church, trans. Rev. G. Dimopoulos, Scranton (Christian Orthodox Edition), 1973.
Eastern Orthodox articles:
- "The Dogmatic Tradition of the Orthodox Church" by His Eminence Metropolitan Maximos of Pittsburgh (GOARCH article)
- "Sermon on the Transfiguration" by Saint Gregory Palamas, Archbishop of Thessalonica (OCA article)
- "Bible: Church History" Chapter: Fifth Century and Chapter: Sixth Century (OCA article)
- "Alive in Christ"
Oriental Orthodox articles:
- "Explaining the Theological Basis of Patristic Teachings by His Eminence Metropolitan Bishoy of Damiette, Kafr El-Sheikh, Barary.