| Disgrifiad | Letters addressed to John Sanderson, Lord Uxbridge's chief agent and (after c. 1835) to his successor, Thomas Beer, except where otherwise stated.
The writers include: Thomas Williams of Llanidan to Lord Uxbridge, 1791 & 1798 (copper concerns, etc); William Cary, from Mona Lodge, to Lord Uxbridge, 1791, 794, 1797, 1798 (copper concerns, the Parys Mine leases, etc); Colin Jones, from Greenland Dock, Gravesend; Portsmouth, Falmouth and Llanfair, to Lord Uxbridge, 1791-1794 (Lord Uxbridge's yacht Druid, etc); John Parry, local agent, from Plas Newydd, 1793-1798 (household and estate matters); Samuel Grindley of Tregrnedd, 1793 (legal business); William Peacock of Fort Caesar, Llanedwen, 1792-1794; John Price, from Dublin and Mona Lodge, 1793-1798, and Pascoe Grenfelll from the Copper office, 1794, 1798 (copper concerns) |