Tithe accounts for Llansannan and Llanarmon Dyffryn Ceiriog, Denbighshire and for Eastyn in Queene Hope and Hope, Flintshire, 1660-1674; a list of indoor and outdoor servants at Chirk Castle, with particulars of their wages, 1707-1716.
An account of livestock at Chirk Castle, 1750-1758, including horses, cattle, sheep and swine, with notes, in some instances, on their value or on the method of their disposal, and an account of crops and implements of husbandry, 1750.
A Chirk Castle estate account book, 1739-1752, containing particulars of leases and rents of property in Chirk, Brynkynallt, Hallton, Gwernosbin, Penyclawdd and various townships in the parishes of Llangollen, Llansanffraid, Ruabon and Wrexham, together with an account of fines received on behalf of John Myddelton (1685-1747), 1740-1745.
A Chirk Castle estate account book containing particulars of moneys paid (including wages to estate servants, etc.) and moneys lent, 1739-1743, with miscellaneous farm and estate accounts.
A Chirk Castle household and farm account book, 1754-1760, giving details of farm and estate produce sold, goods received from tradesmen, bills paid, etc.
A weekly account of work carried out by carpenters, wheelwrights, labourers, etc. at Chirk Castle estate from 12 January 1750 to 1 January 1754, being an account of wages paid to workers.
A Chirk Castle household and farm account book, 1750-1754, recording details of farm and estate produce sold, goods received from tradesmen, bills paid, etc.
An account book of disbursements, 1745/6-1755, to the use of the commissioners of Mrs Ann Myddelton, daughter of Sir James Reade, bart, and widow of Robert Myddelton (1678-1733) of Chirk Castle, Recorder of Shrewsbury.
An account book, 3 March 1737/8-1739, showing financial transactions between Hoare's Bank (Benjamin and Henry Hoare & Partners), London and possibly John Myddelton of Chirk Castle (1685-1747), M.P. for the Denbigh Boroughs, 1733-1741.
Paper bears watermark of lion rampant holding spear surmounted by 'hat' surrounded by oval band with crown on top, and (on left) initials GR with crown above
A pocket book used originally, 1669-1675, by Richard Myddelton (afterwards 3rd bart) (1655-1716) to record accounts relating to lead works at Ysceifiog, Penrhyn-du, Maesafon and Penypwll, and later, 1694-1716, used by Robert Myddelton (1678-1733) of Chirk Castle to record miscellaneous financial and other memoranda; also a note on the manor of Langhorne, Cheshire by Sir William Myddelton, 4th bart (1694-1718).
Deeds, 1313-[1825], from the collection of Angharad Llwyd (1779-1866), antiquary, including deeds relating to the Salusbury family of Lleweni, 1313-1727, and one to the Myddelton family of of Chirk, [c.1640].