| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Angels from the Vatican: The Invisible Made Visible | 978-0-8109-6355-9 (0-8109-6355-8) | 1998 | Allen Duston · Paolo Liverani · Maurizio Sannibale · Basil Cole · Arnold Nesselrath |
Christian Robert · R.C. · Robert Christian Bachmann · Robert Christian Puth