| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Belief of Non Belief: A Confrontation | 978-0-8264-5210-8 (0-8264-5210-8) | 2001 | Umberto Eco · Carlo Martini |
| Belief or Nonbelief? | 978-1-55970-497-7 (1-55970-497-7) | 2000 | Umberto Eco |
C.M. · Cardinal Carlo Maria Martini · Cardinal Carlo Martini · Cardinal Carolo Maria Martini · Cardinal M · Carlo Maria, Cardinal Martini · Umberto Eco/Cardinal Martini