Smotherlaw, Piercebridge (Carlbury; Piercebridge) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | 1970 | University of Durham Aerial Photograph Collection | (Also reproduced in " The Piercebridge Formula" p.45); Ref No. 0150 A | |
| 2 | Royal Air Force | 18-Sep-1944 to 05-Oct-1949 | Durham County Council Digital Vertical Aerial Photograph Collection of Royal Air Force Aerial Photographs | B/W RAF aerial photo in file (0235) |
| 3 | Selkirk, R | A suspected early Roman fort near Piercebridge | A suspected early Roman fort near Piercebridge (Photograph within envelope 1 of Selkirk materials) | |
| 4 | Vyner, B | Carlbury | ||
| 5 | Durham County Council | Piercebridge, Smotherlaw | ||
| 6 | Clack, P A G, Gosling, P F, Northern Archaeological Survey | 1975 | Archaeology in the North Gazetteer 1975 | |
| 7 | Network Archaeology Ltd, Unknown | Nov-1996 | Proposed East Coast High Pressure Gas pipeline - Archaeological desk based assessment (Interim) | |
| 8 | Vyner, B | Low Carlbury, ridge & furrow | ||
| 9 | Archaeological Services Durham University, Edwards, P | Dec-2013 | Low Carlbury, Piercebridge, County Durham; geophysical survey and monitoring |