| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Problem in the Use of Parallel Source Material in Medieval History: The Capture of Jerusalem in 1099 | 978-1-112-O8467-6 (1-112-O8467-3) | 2009 |
Frieder Dünkel · Frieder Dunkel · Friedrich Damköhler · Friedrich Dangel · Friedrich Dingeldey · Friedrich Dinkelacker