| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| By Grace You Have Been Saved: Bible Studies on Healing And Reconciliation | 978-2-8254-1433-0 (2-8254-1433-6) | 2005 |
| The Nature and Purpose of the Church: A Stage on the Way to a Common Statement | 978-2-8254-1302-9 (2-8254-1302-X) | 1999 |