Deserted Medieval Village and chapel of Mortham, Greta Bridge, Rokeby (Greta Bridge) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ01SE17 | |
| 2 | Beresford, M W | 1955 | The Lost Villages of Yorkshire | vol.38, p.303 |
| 3 | Page, W | 1914 | Victoria County History; North Riding of Yorkshire Volume 1 | vol.1 p.110 |
| 4 | Royal Air Force | 18-Sep-1944 to 05-Oct-1949 | Durham County Council Digital Vertical Aerial Photograph Collection of Royal Air Force Aerial Photographs | RAF 106 G.UK 1700 27 8 46 3163-4 |
| 5 | Medieval Village Research Group, Royal Commission | 1994 | RCHME Medieval Village Research Group Index | |
| 6 | Clack, P A G, Gosling, P F, Northern Archaeological Survey | 1975 | Archaeology in the North Gazetteer 1975 |