"The Son of God, the second person of the Trinity, being very and eternal God, of one substance and equal with the Father, did, when the fullness of time was come, take upon Him man’s nature, with all the essential properties, and common infirmities thereof, yet without sin; being conceived by the power of the Holy Ghost, in the womb of the virgin Mary, of her substance. So that two whole, perfect, and distinct natures, the Godhead and the manhood, were inseparably joined together in one person, without conversion, composition, or confusion. Which person is very God, and very man, yet one Christ, the only Mediator between God and man." WCF 8.2
"...unless you believe that I am he you will die in your sins.” - John 8:24
Resources
Theological Primer: Hypostatic Union by Kevin DeYoung
The Divine and Human Nature of Christ by Herman Bavinck
Hypostatic Union: How Two Natures Constitute the Person of the Mediator by John Calvin
The Names and Natures of Christ by Louis Berkhof
Of the Union of the Two Natures in Christ by William Perkins
The Mystery of Godliness: God Manifest in the Flesh by John Calvin
Two Natures: Jesus Christ is Fully Human by J. I. Packer
Jesus Christ’s Two Amazing Natures by Joel Beeke
The Union of God and Man in Christ by Joel Beeke
Does Jesus Have One Nature, or Two? by R. C. Sproul
How Could Jesus Be Both Divine and Human? by R. C. Sproul
Doctrine of the Kenosis in Philippians 2:5-8 by Alva Mclain
The Classical View of Hypostatic Union by Sam Storms
The Divinity and Humanity of Christ by Thomas Brooks
Of the manner of Christ's Incarnation.by John Flavel
"How did Christ, being the Son of God, become man?" by Matthew Henry
How did Christ, being the Son of God, become man? by James Fisher
Two Natures Inconfusedly, Indivisibly, United In One Person by R. Scott Clark
Thinking through Christology by Juston Taylor
Christological Heresies? by Third Mill
God and Man in one Person, our Savior by Theodore Beza
The Admirable Conjunction of Diverse Excellencies in Christ Jesus by Jonathan Edwards
What Is the Hypostatic Union? by David Mathis
The Hypostatic Union: Its Construct and Importance for the Believer by Mike Bolling
Early Christological Heresies (.pdf) by Paul Fahy
Christ’s Two Natures Part 1, Part 2, Part 3 (.pdf) by Paul Fahy
The Hypostatic Union by Troy Lacy
Truly God, Truly Man: The Council of Chalcedon by Nick Needham
The Definition of the Council of Chalcedon (451 A.D)
Belgic Confession on the Two Natures
Ecumenical Councils: A summary
more...
eBooks
The Fountain of Life: a display of Christ in his glory (eBook) by John Flavel
Christ Set Forth (eBook) by Thomas Goodwin
The Heart of Christ in Heaven (eBook) by Thomas Goodwin
The Glory of Christ (eBook) by John Owen
The Lord of Glory (eBook) by B. B. Warfield
Spiritual Union & Communion (eBook) by A. W. Pink
The Virgin Birth by J Gresham Machen
On the Incarnation by St. Athanasius
Cur Deus Homo (Why God Became a Man) by St. Anselm
Christ: A Complete Saviour or the Intercession of Christ and Those Who Are Privileged in It (eBook) by John Bunyan
Multimedia
The Person of Christ: Incarnation & Hypostatic Union (MP3) by John Murray
Of Christ the Mediator (Ch.8, Sec.2) by Greg Bahnsen
Of Christ the Mediator (Ch.8, Sec.2) by Greg Bahnsen
The Hypostatic Union (MP3) by Derk Thomas
The Hypostatic Union (MP3) by Camden Bucey, Jeff Waddington
The Creator-creature Distinction in the Hypostatic Union (Vimeo) by Bucey, Waddington
Episode 8.2: The Two Natures of Christ (MP3) by the Jerusalem Chamber
Hypostatic Union (YouTube) by James White
The Doctrine of the Incarnation (MP3) by D. A. Carson
The Two Natures of Christ by Curt Daniel
THE 1689 ON CHRIST (8.2A) (MP3) by Doctrine and Devotion
THE 1689 ON CHRIST (8.2B) (MP3) by Doctrine and Devotion
Books
Jesus the Son of God by D A Carson
Dialogue on the Two Natures in Christ by Peter Vermigli
The Word Enfleshed by Oliver Crisp
What is the Incarnation by William Evans
The Son of God and New Creation by Graeme Goldsworthy
The God Who Became Human by Cole Graham
The Person of Jesus by J. Gresham Machen
The Christian’s Pocket Guide to Jesus Christ by Mark Jones
The Person of Christ by Donald MacLeod