Cup-marked boulder, Langleydale Common, Raby with Keverstone (Langleydale Common) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | 2005 to 2008 | ERA - England's Rock Art Database | ||
| 2 | Beckensall, S | 1980 to 1997 | Photograph of a cup-marked boulder, Langleydale Common, Raby with Keverstone |