18, North Bailey, St Chad's College north part, 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, 255 |
| 2 | Department of Archaeology Durham University | 1991 | Urban Archaeological Database | |
| 3 | Department of Archaeology Durham University | 1988 to 1991 | Durham City Archaeological Conservation Management Project Archive | |
| 4 | 18 (St Chad's College north part) North Bailey | |||
| 5 | 18 (St Chad's College north part) North Bailey | |||
| 6 | Ryder, P | 1991 | Buildings Survey, 1990-1991 | p 76 |
| 7 | Ryder, P | 25-Oct-1980 to Dec-1990 | Durham Buildings Survey - Fieldbook 1 | p 31, 55 |
| 8 | Roberts, M, Pevsner, N, Williamson, E, Yale University Press | 2021 | The Buildings of England County Durham | page 355 |