Bracken Rigg Iron Smelting Site, Holwick, Lunedale (Holwick) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Cranstone, D, Willies, L, Pickin, J | 1992 | Early Lead Smelting in Teesdale | p27 |
| 2 | Wilcock, D | 1996 to 1998 | IRIS (Index Record for Industrial Sites) Survey Archive | 82120 |
| 3 | Cranstone, D, Willis, L | 1992 | Boles and smelt mills, Occasional Publication No 3 |