Prehistoric rectangular enclosure, Barforth (Barforth) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ11NE31 | |
| 2 | Maclauchlan, H | 1849 | Roman roads, camps, and other earthworks between the Tees and the Swale, in the north riding of the county of York | map opposite page 224 |
| 3 | Smith, D | David Smith DS Field Investigators Comments | F1 DS 16-MAR-73 | |
| 4 | Clack, P A G, Gosling, P F, Northern Archaeological Survey | 1975 | Archaeology in the North Gazetteer 1975 |