- Integrating Hesychast Insights into Mainstream Western Tradition2022 | Protestant Theological Faculty
- Tradition and Innovation – Reflection on Different Streams of Orthodox Theological Thinking in Exile and Its Impact on Ecumenical DialoguePublication without faculty affiliation
- Theology as Science in Eastern and Western Tradition2004 | Protestant Theological Faculty
- Living the Life of God. Introduction to the Trinitarian Spirituality according to St. John of the Cross2006 | Publication without faculty affiliation