From Christianity to Christ : Christianity as the essence of humanity in Rudolf Steiner's Science of the spirit /
Archiati, Pietro.
London : Temple Lodge,
1996.
Originally published in German under the title: Christendum oder Christus? : das Christendum als reines Menschentum in der Geiteswissenschaft Rudolf Steiners. Dornach : Verlag am Goetheanum, 1995.