Coblenz
| Author(s) | Title | Reference | |
|---|---|---|---|
| C.K. Brampton | OCKHAM, BONAGRATIA AND THE EMPEROR LEWIS IV | 31/2, p. 81 |
| Author(s) | Title | Reference | |
|---|---|---|---|
| J.J.G. Alexander | Reichenau Reconsidered. A re-assessment of the place of Reichenau in Ottonian Art, (Warburg Institute Surveys, II), by C. R. Dodwell, D. H. Turner | 37/1, p. 100 |