Durham Castle Gatehouse, Palace Green, Durham City (Durham City) - 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: 1914, 14, 353 |
| 2 | Castle Gatehouse etc., Palace Green, Durham | |||
| 3 | Lowe, M | 01-Apr-2008 | Internal Memorandum: Report on the architectural significance of the gate piers and attached walls | |
| 4 | Leyland, M | 22-Nov-1994 | The origins and development of Durham Castle to AD 1217: the archaeological and architectural record | |
| 5 | Roberts, M | 1994 | English Heritage book of Durham | p 22 - 37 |
| 6 | Raine, S | 1990 to 2013 | Durham City, Castle Gate |