Cup-marked boulder, Stobgreen Plantation, Egglestone (Eggleston) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Brown, P | 2003 | Personal Communication by P Brown on Various Sites | |
| 2 | Beckensall, S, Laurie, T | 1998 | Prehistoric rock art of County Durham, Swaledale and Wensleydale | Page 86 Grayson Rock |
| 3 | Gledhill, T, Nichol, R, English Heritage | 2000 to 2003 | Scheduled Monument (SM) and Monuments Protection Programme (MPP) Files | |
| 4 | Durham County Council, Northumberland County Council | 2005 | NADRAP Durham Box File 2 | Rock Art ID# 2013 |
| 5 | Brown, P | 2018 | Correspondance with Paul Brown, regarding a rock art panel within Stobgreen Plantation, Egglestone |