| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| Ravenna, a Study | Hutton, Edward, 1875-1969 | en | 2004-06-01 | ||||
| Das Grabmal des Theoderich zu Ravenna und seine Stellung in der Architekturgeschichte | Schulz, Bruno, 1865-1932 | de | 2010-03-01 |