Papers, 1847-1969, relating to the Vickers family and to their Criggion and Offley Grove estates in Montgomeryshire, Shropshire and Staffordshire, including rentals, 1877-1969, accounts, cash books and vouchers, 1847-1947, leases and agreements, 1864-1954, and family and estate correspondence, 1876-1939.

The catalogued portion of the archive contains records of the family of Owen, later Humphreys-Owen, of Glansevern, and Johnes of Garthmyl, mainly comprising title deeds and documents, [late 12 cent.]-1929, mainly relating to property in Montgomeryshire; estate papers, 1767-1924, including rentals, accounts and surveys; records relating to Campobello island, New Brunswick, Canada, 1767-1902; substantial family correspondence, 1633-1926, political correspondence of Arthur Charles Humphreys-Owen, 1856-1905, including letters from Lord Rendel; naval papers of Captain William Owen, 1746-1778, [c. 1797]. The uncatalogued part of the archive includes correspondence of the Owen and Humphreys-Owen families, 1754-1905; pedigree of the Owen family, 1839; and material relating to S. P. F. Humphreys Owen, [c. mid 20 cent].

Rentals and other estate office books of the Gregynog estate, Montgomeryshire, of Arthur Weaver, Arthur Blayney and Lord Sudeley, 1752-1893.

A collection of deeds and documents relating to the family of Davies of Maesmawr Hall, parish of Llandinam, co. Montgomery, and formerly of the Marsh, parish of Westbury, co. Salop. The archive had previously been carefully sorted and annotated by the depositor's brother Major E. H. C. Davies, M.B.E., Surbiton, Surrey, and the deposit includes a full list which he had made of the documents. The collection may be classified as follows:

A group of manuscript volumes. An interesting group of manuscripts, mainly memoranda books containing domestic and medical recipes, house hold, rent and other accounts, family particulars, etc., the earlier ones belonging to the late seventeenth century. Also included are a letter book, 1783-1808, of Pryce Davies; an apportionment of tithes belonging to Rev J. Davies; a volume relating to the commutation of tithes for the parish of Llandinam, 1845, a sketch book [c.1840] of Jane Ann Pryce containing scenes from various counties in North Wales; a notebook containing details of excursions in the neighbourhood of Llanberis, 1892; and an account book, 1844-1853, of the trustees of Pryce Jones of the Rock.

A number of pedigrees, 1783-1921, including a group of pedigree rolls relating to the Davies family, Maesmawr Hall, and other related families, with a print of Newtown public rooms erected in 1832; together with a bundle of papers, mainly correspondence, relating to Ann Ffoulkes of Trelydan, 1762-1886; and to Colonel Cecil John Lyons Allanson, 1917 & 1920, including a personal diary and career summary; and a collection of poetry written mainly in the last quarter of the eighteenth century, but including copies of correspondence, 1741-8, and verses relating to the marital adventures of Sir John Pryce of Newtown. Several poems, such as elegies on the deaths of Mr. John Devereux by Rev [William] Thomas of Forden, and of Mr. Tilsley on the Western Main, are of local interest, while verses to Mr. [John] Wilkes, 1776, and to the memory of Dr. [Richard] Price are more general in their appeal. Translations from classical authors made for Dr. Bayley / Bayly in August 1792 are also included.

A group of legal and administrative documents, consisting of testamentary records, including originals and copies of wills and/or probates and letters of administration of members of the Davies and related families, belonging mainly to the nineteenth century; together with numerous deeds, indentures, settlements, and schedules, 1602-1938. Earlier items of note relate to Thomas Price of Dolvorwyn, 1657, Sarah Judge of Newtowne, 1717/18, William Roberts of the Pentrey, parish of Aberhavesp, 1729/30, and Rice Price, 1772, and Vaughan Foulkes, 1794, both of the parish of Mynavon, all in co. Montgomery, and John Rowland of Ymwlch, parish of Llandanwg, co. Merioneth, 1744, and the estate of Humphrey Jones of Garthmill in the parish of Berriew, 1748.

A group of family and personal papers, consisting of records relating to the Maesmawr Hall Estate, 1899-1938, including sale catalogues, plans, rentals, accounts, inventories, and a valuation of the Manafon estate, 1834; files of personal papers relating to the Davies family, 1673-1971, mainly correspondence, accounts, legal documents, professional papers of the members of the family who were clergymen, a diary, 1943, of Miss Annie Davies of Harlech, and papers collected with the duties of those who filled the office of high sheriff for co. Montgomery, some of which were sorted by Major E. H. C. Davies into files for individual members of the family with whom they are concerned, and files for certain related families; correspondence of family and historical interest, 1648-1972, including a letter written on St. Helena in 1685 and another shortly after the writer had fought at the battle of Waterloo; three files of Davies family bonds, 1583-1789, consisting of deeds mainly relating to properties in Montgomeryshire and Shropshire including Marsh, Vennington, and on the Maesmawr Estate; parochial papers relating mainly to Llandinam parish, 1748-1901, including a petition, 1833, by the inhabitants of part of the deanery of Arustley for a change in the system of paying tithes and for the correction of abuses in the established church, terriers, 1790, of the tithes, etc., of Llanwnog and Llandinam, and correspondence, etc., 1833, relating to the Montgomeryshire Canal; and two files labelled ‘Unsorted Letters’, 1712-1913, including a writ, 1712, to confess judgment for the Company of Mine Adventures touching properties in the parishes of Llanidloes, Tre Eglwys, Carno, Llanbrynmair, Llangerrig and Machynlleth, and in Arustley and Talerthaige, co. Montgomery.

The collection also includes a small group of Davies family Bibles, together with presentations made to the Rev. Herbert Davies at Glastonbury and Syston, 1867-1997.

Records of the Welsh estates of the marquesses of Londonderry, mostly in the Machynlleth area of Montgomeryshire, 1604-1923. The records include deeds, 1603-1849, rentals, 1848-1921, cash books, 1869-1917, and building and improvement ledgers, 1904-1913; records of the Van Mines, 1869-1914, including inspectors' report books, 1882-1914, letter books, 1869-1909, and pay books, 1866-1902; records of the Llanidloes Mining & Machinery Company, 1889-1920, including inspectors' report books, 1889-1916, letter books, 1908-1915, and lead ore weighing books, 1907-1920; records of the Welsh Van Mining Company, 1907-1920; and records of the Nantiago Mines Ltd, 1901-1923.

Records of the Herbert family of Montgomery, Chirbury and Powis Castle, later earls of Powis, 13-20 cent., including records of the Powis Castle estate, including title deeds, mainly in Montgomeryshire and adjacent counties, notably Shropshire, 13-20 cent.; records of lead and silver mining in Cardiganshire, 18-19 cent.; records of the Castle Island estate, County Kerry, Ireland, 16-19 cent.; manorial records for the barony of Powis from 1549, the lordship of Oswestry from 1577, the manors of Cydewain, Halcetor and Montgomery from 1525, Chirbury from 1373, Pool from 1653, the borough of Llanfyllin from 1653, and many others; records of the borough of Llanfyllin, 1674-1820 including records of the Court of Record (borough court), 1674-1721, 1761-1763; estate rentals, 1712-1941; rentals of chief rents, 1676, 1745-1897 (mainly 1745-1817); correspondence, mainly 17-19 cent.; Montgomeryshire Chartist riots papers, and papers relating to the campaign against the proposed union of the dioceses of St Asaph and Bangor. Manuscripts and papers of Edward Herbert, 1st baron Herbert of Chirbury (1583-1648); Robert Clive, 1st Baron Clive (1725-1774) and Brigadier-General John Carnac (c.1716-1800) have been removed from the archive and catalogued as separate collections.