Milestone, Bridgegate, Barnard Castle (Barnard Castle) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Department of Environment, English Heritage, Historic Buildings and Monuments Commission | 1950 | List of buildings of special architectural or historic interest, also known as "Greenbacks" | LB Volume, Map & Item: 770-1, 5, 7 |
| 2 | Durham County Council | Milestone, Bridgegate, Barnard Castle | ||
| 3 | Durham County Council | Milestone, Bridgegate, Barnard Castle | ||
| 4 | Linsley, S | May-2017 to May-2017 | Gazetteer of Mileposts and Milestones in North East England |