The Gospel of St. John Lecture Cycle by Rudolf Steiner.
Given in Hamburg, Germany, May 18-31, 1908. GA number 103.
For your convenience, below is a zip file of this entire set of lectures. It does require that you have an unzipping utility of some kind on your computer. For you mac people this is built in.
The Entire Book of the Gospel of St. John
Introduction by Marie Steiner
Lecture 1: The Doctrine of the Logos
Lecture 2: Esoteric Christianity
Lecture 3: The Mission of the Earth
Lecture 4: The Raising of Lazarus
Lecture 5: The Seven Degrees of Initiation
Lecture 6: The "I AM"
Lecture 7: The Mystery of Golgotha
Lecture 8: Human Evolution in Its Relation to the Christ Principle
Lecture 9: The Prophetical Documents and the Origin of Christianity
Lecture 10: The Effect of the Christ Impulse Within Mankind
Lecture 11: Christian Initiation
Lecture 12: The Nature of the Virgin Sophia and of the Holy Spirit