Headlam (Headlam) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ11NE24 | |
| 2 | Society of Antiquaries of Newcastle upon Tyne | 1907 | Meeting of Society of Antiquaries of Newcastle upon Tyne 31.05.1905 No. 5 | pl. fp. 74 |