Helme Park, Wolsingham - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Green, F | Aug-2017 | Helme Park | |
| 2 | Ordnance Survey | 1856 to 1865 | First Edition Ordnance Survey Map | 6" 1st Ed 1861 |
| 3 | Mawer, A | 1920 | Place Names of Northumberland and Durham | page 110 |
| 4 | Durham County Council Planning Department | 01-Aug-2017 to 01-May-2019 | Local List of Historic Parks, Gardens and Designed Landscapes |