The vast bulk of this collection consists of deeds and settlements covering the 13th to the 19th century. Most of the deeds relate to lands in Yorkshire but there are also deeds relating to North Nottinghamshire and to other counties such as Cornwall, Cheshire and Lincolnshire. There are also a number of manorial records relating to Yorkshire and Nottinghamshire including court rolls for South Newbald, Yorkshire.
The estate records consist of conveyances, surveys, rentals, accounts and correspondence and again relate to Nottinghamshire and Yorkshire, in particular Scrooby in Nottinghamshire and Cavil and Pontefract in Yorkshire. Also amongst the estate papers are several items relating to elections in Pontefract and elsewhere in Yorkshire and Nottinghamshire.
The collection also includes a number of estate, personal and household accounts and the accounts of William Monckton, 2nd Viscount Galway (d 1772), as Receiver General of the Crown Lands. Legal papers, ecclesiastical papers including registers, wills and items concerning tithes, household inventories and genealogical papers are also present in the collection.
Of particular significance are the personal, political and diplomatic papers which include the English Civil War memoirs and correspondence of Philip Monckton (c.1620-1679), and papers of Robert Arundell (1696-1758), Surveyor General and Master of the Mint. There are items concerning a number of notable political and diplomatic figures including Henry Pelham and his brother the Duke of Newcastle, the Wentworth family, Earls Strafford, Sir John Goodricke and the Duke of Cumberland. Papers of George Vere Arundell, 8th Viscount Galway and Governor-General of New Zealand are also present in this section. (See also GB 159 Ga 2G).
A final group of papers reflects the families coal mining interests and activities in Yorkshire and Nottinghamshire in the 19th and 20th centuries, centred upon the Hodroyd and Monckton Collieries.