Appearance of Christ in the Etheric Spiritual-Scientific Aspects of the Second Coming Prokofieff Sergei O. Heftet / 2012 / Engelsk
Esoteric Significance of Spiritual Work in Anthroposophical Groups And the Future of the Anthroposophical Society Prokofieff Sergei O. Heftet / 2007 / Engelsk
Foundation Stone Meditation A Key to the Christian Mysteries Prokofieff Sergei O. Heftet / 2006 / Engelsk
Spiritual Origins of Eastern Europe and the Future Mysteries of the Holy Grail Prokofieff Sergei O. Heftet / 2016 / Engelsk
Rudolf Steiner's Path of Initiation and the Mystery of the EGO and The Foundations of Anthroposophical Methodology Steiner Rudolf Heftet / 2013 / Engelsk
Rudolf Steiner's Research into Karma and the Mission of the Anthroposophical Society Prokofieff Sergei O. Heftet / 2010 / Engelsk
Relating to Rudolf Steiner and the Mystery of the Laying of the Foundation Stone Prokofieff Sergei O. Heftet / 2008 / Engelsk
Guardian of the Threshold and the Philosophy of Freedom On the Relationship of the Philosophy of Freedom to the Fifth Gospel Prokofieff Sergei O. Heftet / 2011 / Engelsk
May Human Beings Hear It! The Mystery of the Christmas Conference Prokofieff Sergei O. Heftet / 2014 / Engelsk
Anthroposophy and the Philosophy of Freedom Anthroposophy and Its Method of Cognition, the Christological and Cosmic-human Dimension of the Philosophy of Freedom Prokofieff Sergei O. Heftet / 2009 / Engelsk
Time-Journeys - A Counter-image to Anthroposophical Spiritual Research A Presentation for Members of the Anthroposophical Society Prokofieff Sergei O. Heftet / 2013 / Engelsk
Cycle of the Year as a Path of Initiation Leading to an Experience of the Christ Being An Esoteric Study Prokofieff Sergei O. Heftet / 2014 / Engelsk
Rudolf Steiner's Sculptural Group A Revelation of the Spiritual Purpose of Humanity and the Earth Prokofieff Sergei O. Heftet / 2013 / Engelsk
Mystery of the Resurrection in the Light of Anthroposophy Prokofieff Sergei O. Heftet / 2010 / Engelsk
Mystery of John the Baptist and John the Evangelist at the Turning Point of Time An Esoteric Study Prokofieff Sergei O. Heftet / 2005 / Engelsk
Creative Power of Anthroposophical Christology An Outline of Occult Science the First Goetheanum the Fifth Gospel the Christmas Conference Prokofieff Sergei O. Heftet / 2011 / Engelsk
Crisis in the Anthroposophical Society and Pathways to the Future Prokofieff Sergei O. Heftet / 2013 / Engelsk
Honoring Life Medical Ethics and Physician-Assited Suicide Prokofieff Sergei O. Heftet / 2014 / Engelsk
And the Earth Becomes a Sun The Mystery of the Resurrection Prokofieff Sergei O. Innbundet / 2014 / Engelsk
