Cock Grave Cover, Adjacent To West Wall of Saint Margaret's Church, Tanfield (Tanfield) - 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: 1809, 18, 171 |
| 2 | Durham County Council | Cock Grave Cover @ St Margaret, Tanfield |