| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Conrad 2, 990-1039: Emperor of Three Kingdoms | 978-O-271-O2738-8 (O-271-O2738-X) | 2006 | Herwig Wolfram · Denise Adele Kaiser |
Herwig Wolfram · HG Wolfram Herwig · W H · Wolfram Herwig und Andreas Schwarcz