Title deeds of properties belonging to the Abertanat estate of the Tanat and Godolphin families, lying in the township and manor of Broniarth in Guilsfield, 1476-[1792], also in the parishes of Llandysilio, 1552-1736, Llanfechain and Meifod, 1640, 1722, Llangedwyn and Llansanffraid in Denbighshire and Montgomeryshire, 1690, 1749, Llanyblodwel and Llanymynech, 1535-1746, St Martin 's and Whittington in Shropshire, 1527-1765. The documents relating to Broniarth show clearly how land was acquired and transferred under the manorial system. Some of the late sixteenth century Montgomeryshire deeds illustrate the acquisition by the Tanats and others of strips of land within larger named fields previously in multiple ownership under the mediaeval agricultural system. A large file of Shropshire deeds relates to the Moreton Hall (renamed Margaret Hall) estate in Weston Rhyn, Ifton and Daywell, purchased by Margaret Godolphin between 1760 and 1763.

Records of the manor of Broniarth, Montgomeryshire, comprising original, draft and copy court rolls, 1429-1701, court files, 1633-1804, rentals of chief rents, 1687-1821 and miscellaneous manorial records, [1536]-1773.