| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Envoys and Political Communication in the Late Antique West, 411-533 | 978-0-521-09638-6 (0-521-09638-3) | 2009 |
| Envoys and Political Communication in the Late Antique West, 411–533 | 978-0-521-81349-5 (0-521-81349-2) | 2003 |