Later Prehistoric or Iron Age hillfort, Barnard Castle, Marwood (Barnard Castle) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Emsley, R W | Richard W Emsley (RE/RWE) Field Investigators Comments | 23-JUN-72 | |
| 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 | RAF 106 G.UK. 1700 27 8 46 2142-43 |
| 3 | Durham Archaeology Committee, Clack, P | 1980 | The Archaeology of the Durham Dales | Anglo-Saxon Site List, Site 27 p 46 |
| 4 | Durham County Council | Barnard Castle, Marwood | ||
| 5 | Clack, P A G, Gosling, P F, Northern Archaeological Survey | 1975 | Archaeology in the North Gazetteer 1975 | |
| 6 | Clack, P A G, Gosling, P F, Northern Archaeological Survey, Harding, D W | 1976 | Archaeology in the North Report of the Northern Archaeological Survey | p 210 |
| 7 | Tavener, P | Jan-2002 to Mar-2003 | Monuments Protection Programme (MPP) Upper Teesdale, Completed Sites, 2002-2003 | AI Number: 159450 Date of Visit: 11/02/2002 |
| 8 | Watson, E | 2019 | Personal comment by Emma Watson - Archaeology Assistant - 2019 | |
| 9 | Wake, T | 1949 | Correspondence and annotated map, T Wake, 1949 | |
| 10 | Historic England, English Heritage, Royal Commission on the Historical Monuments of England | Historic England Photographs Collection USE 67434 for Aerial Photographs | AP (RAF 106G/UK 1700 27.8.46 2142-43) | |
| 11 | Challis, A J, Harding, D W | 1975 | Later Prehistory from the Trent to the Tyne | p 51 |