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. 
- "Hypostatic union." Wikipedia, The Free Encyclopedia. 9 Apr 2008, 16:59 UTC. Wikimedia Foundation, Inc. 6 Jun 2008 <http://en.wikipedia.org/w/index.php?title=Hypostatic_union&oldid=204487186>.
- Pace, Edward. "Hypostatic Union." The Catholic Encyclopedia. Vol. 7. New York: Robert Appleton Company, 1910. 5 Jun. 2008 <http://www.newadvent.org/cathen/07610b.htm>.