The Grey Tower, North Road, Duham (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, 4, 290 |
| 2 | The Grey Tower, North Road, Duham | |||
| 3 | The Grey Tower, North Road | |||
| 4 | Durham County Council | Jul-2016 | Conservation Area Appraisal: Character Area 2, Framwellgate (Durham City) | page 35; Image page 34 |