Church Of Our Blessed Lady Immaculate, Saint Mary Street, Blackhill (Blackhill) - 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: 1809, 5, 78 |
| 2 | Durham County Council | Church of Our Blessed Lady Immaculate, Blackhill | ||
| 3 | Durham County Council | Church of Our Blessed Lady, Blackhill | ||
| 4 | Durham County Council | Church of Our Blessed Lady, Blackhill |