Eric Goldberg · Eric J. · J. Goldberg
| title | ISBN-13 (ISBN-10) | year of publica- tion |
|---|---|---|
| Struggle for Empire: Kingship and Conflict Under Louis the German, 817-876 | 978-0-8014-3890-5 (0-8014-3890-X) | 2006 |
| Struggle for Empire: Kingship and Conflict Under Louis the German, 817–876 | 978-0-8014-7529-0 (0-8014-7529-5) | 2009 |