- Bill of complaint – Purchas Vs Tanfield.
- Lease of Forsdale Gill area to Thomas Wilkinson & Co., 1775.
- Notes on grant of minerals to Richard Weddell, 1732-1769.
- Account of lead produced in Askrigg etc, 1769-1781.
- Notes on a mining grant to John Park and George Dinsdale, 1774.
- Short report on Askrigg Mine, 1864, by Joshua Byers.