• Biographical notes on the Bowes (Earls of Strathmore) family (Mineral Lords).
  • Memorandum explaining terminology used in lead mining, 1763.
  • Notes on Teesdale mines from J. Backhouse, 11 pp.
  • Notes on Teesdale mines from H. Beadle, 3 pp.
  • List of shareholders in the Greenhurth Lead Mining Co. Ltd, 1869.
  • Starthmore Papers – extracts, 1592-1845, 15 pp.
  • Plan and costings of proposed smelt mill, c1755.