Frederick Barbarossa
| Author(s) | Title | Reference | |
|---|---|---|---|
| C.L. Wrenn | Anglo-Saxon Writs, by F. E. Harmer | 23/1, p. 44 | |
| Peter Munz | The Discovery of the Individual, 1050-1200, by Colin Morris | 43/2, p. 204 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| C.L. Wrenn | Anglo-Saxon Writs, by F. E. Harmer | 23/1, p. 44 | |
| Peter Munz | The Discovery of the Individual, 1050-1200, by Colin Morris | 43/2, p. 204 |