Deeds of the Aberpergwm estate in Glamorgan, Monmouthshire, Breconshire, and Carmarthenshire, 1258-1919; rentals and general account books of the estate (including some colliery accounts), 1791-1870, account books and balance sheets of the Aberpergwm colleries, 1794-1972; documents relating to Treferig Valley railway, 1874-1884; and personal papers, including letters to the Williams family of Aberpergwm and the associated families of Smith of Castellau, Llantrisant, Lloyd of Castellau and Aberpergwm and the Bush family of Burcot, Oxfordshire, 1760-1909; Castellau estate papers, 1867-1879; and papers, mainly 18th century, relating to the claims of inhabitants in the Forest of Dean.

Deeds, rentals, estate receiver's accounts, surveys, valuations, correspondence, maps and plans of the Ashburnham estate in Breconshire, Carmarthenshire and Glamorganshire, 1392-1968 (predominantly 1600-1925); sale catalogues and related papers, 1900-1923, deeds of the Mellington Hall estate in the parishes of Churchstoke and Mainstone in Montgomeryshire and Shropshire, 1753-1937, mortgaged by Samuel Rankin Heap to the trustees of the Ashburnham estate in 1923; manorial records and related papers of the manors of Cantref Selyf, 1650-1810, Talgarth, 1650-1826, Bronllys, 1661-1757, and Crickadarn, 1743-1809, all in Breconshire, and especially of the manor of Pembrey in Carmarthenshire, 1663-1922 (including papers relating to rights of shipwreck); accounts of collieries in Pembrey, 1714-1852 (mainly 1795 onwards), and papers relating to Pembrey tithes, colliery, port and harbour, and foreshore rights and wrecks, mainly 18-early 20 cent.

Records of the Welsh estates of the dukes of Beaufort, earlier the earls of Worcester and William Herbert, earl of Pembroke (d. 1469), including records for the Breconshire lordships of Crickhowell, from 1382, and Tretower, from 1532; ministers' accounts for Monmouthshire lordships from 1387 and manorial records for the lordship of Chepstow, from 1568, Monmouth, from 1416, Porthgaseg, from 1262, Raglan, from 1364, Treleck, from 1508, and for the lordship of Usk, from 1517; records for the Seignory of Gower and Kilvey from 1366 and for the borough and manor of Swansea, 1657-1835; deeds from the 13th cent.relating to the Badminton estate in Monmouthshire, Breconshire and in Gower, Glamorganshire; records from the 16 cent. relating to the coal and iron industries in Monmouthshire and Glamorgan; and estate management records including rentals, 1638-1933, accounts of rent arrears, 1669-1839, bailiffs, collectors and stewards' accounts, 1652-1858, and registers of leases, 1629-1918.

Records mainly of the Glamorgan estate of the marquesses of Bute and of their predecessors, the earls of Pembroke. These include letters, 1588-1855, including letters of the Herbert family of Cogan Pill, 1588-1719, but primarily the personal and estate correspondence of John, second marquis of Bute, 1804-1855, (including letters relating to Bedfordshire, Cambridgeshire (Kirtling: Lady Bute's property) and County Durham estates); deeds, [1319]-1937; surveys, 1570-1842; rentals of the Glamorgan estate, 1728-1893, and the Cardiff estate, 1842-1895, estate and manorial accounts, 1573-1873; manorial records and deeds of over seventy manors, mainly in Glamorgan, [?1373]-1847; family settlements, [early 17 cent.]-1902; family probate records, 1612-1900; and legal and case papers, 1642-1921; correspondence of Alice, Lady Windsor, 1757-1776; a substantial number of copies of Acts of Parliament, relating mainly to roads, canals, docks and harbours, railways, public works and utilities, 1771-1928; and miscellaneous records. -- The archive illustrates the history of Glamorgan; the corporate life of the boroughs of Cardiff, Cowbridge and Llantrisant; the urbanization of the South Wales valleys, especially Merthyr Tydfil and Aberdare; the Glamorgan Commission of the Peace; the county militia and yeomanry, 1815-1837; the development of the coal and other industries (it includes papers relating to minerals and ironworks 16th-early 20th cent., accounts of coal shipped from Neath, etc. 1626-1682, quarry and lime kiln accounts 19th cent. Cardiff railway, dock and harbour papers and plans, 19th-20th cent.); labour and political unrest, including Chartism, Scotch Cattle, Rebecca riots; early trade unions; and the history of Cardiff castle, 16th-19th cent., including inventories 1581, 1585, estimate of repairs 1590 and plans of grounds.

Records, 1455-1919, of the Lee family of Dinas Powis, Glamorgan, and their predecessors, including rentals of the manor of Dinas Powis and of the Dinas Powis estate, 1610, 1671-1906, surveys of the same, 1566-1610; title deeds, legal papers and correspondence, 1514-1919 (mainly post-1640) relating to properties in Glamorgan, Monmouthshire and Breconshire; records relating to the Friars estate, Glamorgan, of William Hurst, including a survey and rentals, 1777-1786. The archive also includes deeds relating to the estates of the Lords Brooke in Devon, Somerset and Wiltshire.

Records of the Dunraven estate, principally in Glamorgan, belonging to the Wyndham and Wyndham-Quin families of Dunraven Castle, Glamorgan, earls of Dunraven, and of Clearwell, Gloucestershire, and papers of the associated families of Edwin and Thomas of Llanfihangel-juxta-Cowbridge, including deeds, [early 13 cent.]-1939, mainly for lands in Glamorgan; rentals, surveys and accounts, 1348-1483, 1688-1951, mainly relating to properties in Glamorgan; manorial records, 1548-1936, relating chiefly to numerous manors in Glamorgan, legal papers, 1685-1895; and correspondence, 1791-1918.

Annual rentals, audit books and settled accounts of the Monmouthshire, Glamorgan and Breconshire holdings of the Tredegar estate. -- The rentals include rents and duties due in the Tredegar demense, in the parishes of Basaleg, Bedwas, Bedwellte, Betws, Caerleon, Coedcernyw, Henllys, Llanfihangel Llantarnam, Llangatwg, Llanofer, Machen, Malpas, Marshfield, Llanfihangel-y-fedw, Mynyddislwyn, Nash, Peterstone, Risca, Rumney, St Brides, St Mellons and St Woolloos, in Newport town, and in the manors of Caldicot Westend, Llanfaches, Llanfihangel, Magor, Newchurch & Kevengola, Roggiet & Ifton, and Undy, chief rents of the manors of Basaleg, Castle Arnold, Fitz John de la Moor, Greenfield, Llanfair, Peterstone, Redcastle, Sutton and Youlton, and rents due from the tithe barns of Betws, Malpas, Marshfield, Newport, Peterstone, Rumney and St Mellons, all in Monmouthshire, rents in the parishes of Cardiff, Gelli-gaer, Llanisien, Llysfaen, Roath and Whitchurch in Glamorgan, and in the parishes of Brecon, Bronllys, Cantref, Defynnog, Faenor, Garthbrengi, Glasbury, Llandyfaelog, Llandyfalle, Llanddew, Llanfihangel Nant Bran, Llanfilo, Llansbyddyd, Llyswen, Penderyn, St Davids, St John Evangelist, Trecastle, Ystradfellte, and Ystradgynlais, chief rents and cymortha in the manor of Brecon (in Builth, Cantref, Defynnog, Glyntawe, Hay, Llanddeti, Llangasty [Tal-y-llyn], Llansanffraid[-ar-Wysg], Llywel, Merthyr, Modrydd, Penderyn, Ystradfellte, and in the Hallmote manor) and Penderyn and cymortha in Ystradfellte, all in Breconshire, and chief rents in Herefordshire. -- The 1677 rental includes lands purchased from the executors and trustees of Edward Lewis of the Van, esq., dec., in the manors of Caldicot Westend, Llanfaches, Llanfihangel, Magor, Newchurch & 'Kevengola', Roggiet & Ifton, Shirenewton, and Undy, all in Monmouthshire, and in Cardiff, Llanisien, Llys-faen, Roath, Splott and Whitchurch, and the manors of Roath Kensham and 'Madockes feild', all in Glamorgan (ff. 141-146). -- The rentals also include lands in the parishes of Canton, Cardiff and Roath purchased from Mr Pilkinton and held from the Earl of Pembroke for his and his wife's lives (1677-1684), lands in the parishes of Basaleg, St Woolloos, St Brides and Marshfield settled in trust by Rowland Morgan to raise £20 for a schoolmaster and £14 for four poor people in p. Basaleg (1699-1730), and a tenement in the parish of Machen bought to pay a legacy left by Katherine Morgan of £5 a year for the poor of the parish of Basaleg (1730). -- There are numerous memoranda of leases agreed to and rents received throughout the volumes. -- AMA 1/5-37 are mainly booklets containing c.10 ff of text, being the accounts (1701-1732) of James Pratt with John Morgan, esq. (Dec. 1700-March 1720), William Morgan, esq. (Sir William Morgan after 1724) (March 1720-April 1731), and the executors of the said Sir William Morgan (April 1731-July 1732). The accounts to John Morgan, 1700-1720, are for the year beginning and ending 24 Dec. The first full account to William Morgan (AMA 1/26) is for the fifteen months 24 Dec. 1720-24 March 1721/2. Henceforth, 1721-1731, the accounting year begins and ends 25 March. The final account in this part of the series (AMA 1/37) covers the sixteen and a half months March 1731-July 1732, including the death of Sir William Morgan and an account to his executors. -- At the end of the series are a number of rentals and rent ledgers that cannot be assigned to their appropriate estate.

The audit books are the annual settled accounts between the agent and the landowner, including the rental account. Most estates simply call these accounts rentals.