Letters concerning estate management and leases on properties at Kaer berllan [Llanfihangel-y-pennant], [c. 1638], William Owen's Hitchin estate, 1666, Moynes Court, Monmouthshire, [1764x1823], Mrs Owen's house at Datchet, 1778, Tetworth House, 1864-1887, and a house rented by Lady Harlech at Lydham [Shropshire], 1938. Points of interest include lead and copper mining in Cornwall and elsewhere, 1793-1794, 1878; enclosure of common land in Caernarfonshire; and recommendation of a servant, 1831.