Farmhouse, Low Harperley, Wolsingham (Fir Tree) - Source of Reference
| No. | Originator(s) | Date | Title | Notes |
|---|---|---|---|---|
| 1 | Bowes Museum Record Card | NZ13SW15 BMC | ||
| 2 | Pevsner, N, Williamson, E, Penguin Books Ltd | 1983 | The Buildings of England County Durham | p.156-7 |
| 3 | Roberts, M, NEVAG | 02-Jan-2005 | Low Harperley, Wolsingham, County Durham An Interim Statement on Historical Development and Significance | NEVAG Survey |
| 4 | Turnball, P, Jones, R | 1978 | The archaeology of the coal measures and the magnesian limestone escarpment in Co. Durham | Wolsingham, Archaeology, P.83, no. 42 |