| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Apology and Reconciliation in International Relations | 978-1-138-55865-6 (1-138-55865-6) | 2017 | Christopher Daase · Stefan Engert · Judith Renner |
| Apology and Reconciliation in International Relations: The Importance of Being Sorry | 978-1-138-82102-6 (1-138-82102-0) | 2015 | Christopher Daase · Stefan Engert · Judith Renner · Renate Strassner |