Heley Chapel, Castleside (Castleside) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Ordnance Survey | Ordnance Survey Archaeology Card AKA National Non-Intensive Archaeological Record (England) | NZ04NE3 | |
| 2 | 1925 | Newcastle Upon Tyne Society of Antiquaries Proceedings | 4 ser., vol.1, pp.271-2 |