Dryderdale Hall, South Bedburn - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Green, F | Jun-2017 | Dryderdale Hall | |
| 2 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | 6", Durham 33, 1861 |
| 3 | Ordnance Survey | 1894 to 1899 | Second Edition Ordnance Survey Map | 6", Durham 33 SW, 1898 |