| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Judas: Betrayer or Friend of Jesus | 978-0-8006-3734-7 (0-8006-3734-8) | 2004 | |
| Judas: Betrayer or Friend of Jesus? | 978-0-8006-2968-7 (0-8006-2968-X) | 1996 | |
| The Writings of Pilgram Marpeck | 978-1-57910-293-7 (1-57910-293-X) | 2000 | Walter Klaassen |