Earthwork enclosure, Cockfield Fell, Cockfield (Cockfield) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ12SW11 | |
| 2 | Unknown | 2005 | Aerial Photograph of Enclosure on Cockfield Fell | Aerial Photograph (AP81) |
| 3 | Turnball, P, Jones, R | 1978 | The archaeology of the coal measures and the magnesian limestone escarpment in Co. Durham | Cockfield, Archaeology, page 42, no.3 and page 43, no.11 |
| 4 | Page, W, Greenwell, W, Clinch, G, Archibald Constable and Company Limited, Dawsons of Pall Mall, University of London Institute of Historical Research | 1905 | The Victoria County History County Durham Volume I | pages 361-2 |
| 5 | Ostridge, J H | 08-Jun-1949 to 20-Apr-1955 | JO H OSTRIDGE (JHO) Field Investigators Comments | 22-JUL-54 |
| 6 | 01-Mar-1966 to 14-Jul-1975 | Basil Haigh Pritchard (BHP) Ordnance Survey Archaeology Officer | 12-MAR-73 | |
| 7 | Dixon, J | 1811 | Dixon's 1811 estate map | |
| 8 | 1970 to 1979 | Seventh Epoch Ordnance Survey Map | 25" 1979 |