| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| The Icon: Image of the Invisible - Elements of Theology, Aesthetics and Technique | 978-0-9618545-1-5 (0-9618545-1-0) | 1994 |
| The Icon, Image of the Invisible: Elements of Theology, Aesthetics and Technique | 978-0-9618545-0-8 (0-9618545-0-2) | 1988 |