90 & 91 (also 89) Elvet Bridge, 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, 15, 143 |
| 2 | Durham County Council | 90- 91 Elvet Bridge, Durham City | ||
| 3 | Ryder, P | 1991 | Buildings Survey, 1990-1991 | p 40 |
| 4 | Ryder, P | 11-Dec-1990 to 25-Feb-1991 | Durham Buildings Survey - Fieldbook 2 | p 136, 139, 141 |
| 5 | Roberts, M, Pevsner, N, Williamson, E, Yale University Press | 2021 | The Buildings of England County Durham | page 363-4 |