Neolithic lithic working site, Blackton Beck Chimney, Eggleston (Eggleston) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ02NW3 | |
| 2 | Gibbs, G B | 1929 | Antiquities of Sunderland | p.27 |
| 3 | Trechmann, C T | 1912 | Notes on Neolithic Chipping-Sites in Northumberland and Durham | NS,vol.4,pp.68-73 |
| 4 | Trechmann, C T | 1914 | Prehistoric burials in the County of Durham | 3 ser., vol. XI, p.122 |