| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Original Peace: Restoring God's Creation | 978-0-8091-3733-6 (0-8091-3733-X) | 1997 | David Burrell |
| The solitary explorer: Thomas Merton's transforming journey | 978-0-06-065411-5 (0-06-065411-2) | 1980 | |