| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Cultural Interplay in the Eighth Century: The Trier Gospels and the Makings of a Scriptorium at Echternach | Paperback | 978-0-521-09051-3 (0-521-09051-2) | 2009 |
| Cultural Interplay in the Eighth Century: The Trier Gospels and the Makings of a Scriptorium at Echternach | Hardcover | 978-0-521-41255-1 (0-521-41255-2) | 1994 |