Somerville Tomb, St John, St John's Chapel (St. John's Chapel) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Department of Environment, English Heritage, Historic Buildings and Monuments Commission | 1950 | List of buildings of special architectural or historic interest, also known as "Greenbacks" | LB Volume, Map & Item: 1842, 38, 261 |
| 2 | Somerville Tomb, St John, St John's Chapel | |||
| 3 | Durham County Council | 17-May-2016 | 2 photographs of Somerville Tomb, St John, St John's Chapel |