Sledwich hall (Whorlton) - 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: 457, 4, 79 |
| 2 | Emsley, R W | Richard W Emsley (RE/RWE) Field Investigators Comments | 01-JUN-72 | |
| 3 | Harrison, S | 1943 | Sledwick, Co. Durham | Reprinted from The Teesdale Mercury 1943-1944 |
| 4 | Unknown | 1913 | Sledwick Hall, Barnard Castle | |
| 5 | Clack, P A G, Gosling, P F, Northern Archaeological Survey | 1975 | Archaeology in the North Gazetteer 1975 |