Statistical information produced by, or collected by, the Monmouthshire and South Wales Coal Owners Association relating to all aspects of the coal trade, both within the United Kingdom and in other countries across the world. Material comprises bound volumes of tabulated information regarding the UK and international coal industries, international trade, wage rates for miners, colliery price lists, annual summaries of Association members, revisions of Assurances, and statistics on the coal trade of foreign countries.

Miscellaneous notes and papers collected by Walter Davies and relating mainly to British topography, history, archaeology, agriculture, etc.

Minutes, reports, papers and letters relating to the Council of Churches for Wales and its various interests, 1955-1990, including Annual Reports, 1973-1982; papers relating to conferences, 1959-1986; papers of various sub-committees under the Council, 1959-1986, especially the Industry Committee, 1972-1986; papers relating to the 'Family of God' festival (Gŵyl Teulu Duw), 1984-1986; and papers relating to the 'People Next Door' campaign (Pobl Drws Nesa) held by the British Council of Churches to bring churches closer to the community, 1965-1967.

Records accumulated by Dr John Herbert, 1968-1984, comprising Welsh Secondary Schools Association records, minutes and papers, 1968-1984; and Headmasters' Association and Secondary Heads Association minutes, correspondence, discussion papers and related material, 1969-1984.

Mainly printed reports of the committee into various projects and other topics concerning motorway landscaping, 1957-1970.

'Memorandum on the Remains from the Cave at the Great Ormes Head' by Professor W. Boyd Dawkins; extracts from the parish register of Newmarket, 1698-1718, Newmarket tombstone inscriptions, and extracts from St. Asaph probate records, in the hand of T. Allen Glenn; notes by Edward Owen on 'Abbrevatio Rotulorum Originalium'; and a variety of extracts by Thomas Edwards from printed sources (relating to Offa's Dyke, the geography of North Wales in the Neolithic Age, Norman Britain), and from 'Y Cwtta Cyfarwydd'.

Two typescript papers by the donor John Dorian Evans entitled 'The coal mining industry and government policy' (December 2006) and 'Cwmgwili colliery, 1960-1992' (December, 2009).

A notebook containing extracts from law reports, temp. George I.

A volume containing photocopies of a collation of miscellaneous 11-plus examination papers, taken in Wales and England 1921-1949, accumulated by the Rev. J. Aelwyn Roberts, Bangor.

One of two volumes containing a copy of John Wee[v]er: Ancient Funerall Monuments with in the vnited Monarchie of Great Britaine, Ireland ... (London, 1631), interleaved, with manuscript additions.

The file consists of printed items - leaflets, policy statements, reports, issues of journals - on the general theme of women's rights and women's issues.

Notes by Thomas Pennant on British zoology and ornithology, accounts and lists of subscribers to his British Zoology, and details of zoological specimens received by him.

The file comprises previously loose cuttings, specifically concerning the environmental threats to Britain's existing national parks and the proposed creation of a new national park in mid-Wales, 1979-1990.

Correspondence, papers and publications, 1949-1955, relating to the Civil Service, including memoranda on efficiency in the Civil Service and its relations with the public, and a specially bound copy of Wyn Griffith's A Hundred Years. The Board of Inland Revenue, 1849-1949 (London, 1949).

Notes, mainly by G. T. Clark, on camps, castles, etc., in Britain.

The file contains collecting books for the local fund of the Lord Mayor of London's Fund for the Relief of Distress in Mining Areas, opened by Sarah Evans Davies, mayor of Welshpool. The notebooks give the names and addresses of donors, including the employees of local companies, and the sums donated.

Press cuttings of letters and articles contributed to North Wales newspapers by John Wynne, schoolmaster, of Caernarvon, author of Sir a Thre' Caernarfon, fel yr oedd ac fel y maent yn 1860; and a copy of a letter addressed by him to Lord Derby expressing satisfaction at the appointment of a bishop of Bangor, 1861. The press cuttings have been pasted in a book containing an incomplete essay on the early history of Britain and a list of Caernarvon residents.

Two notebooks, NLW MS 16798Ai being a printed account book for the year 1802 possibly belonging to a yeoman farmer or man of similar profession, NLW MS 16798Aii being a journal without dates and containing only rough accounts on ff. 6 verso-7.
NLW MS 16798Ai mainly contains details of accounts settled and owed together with general observations on the weather, agricultural duties, etc. There are rough accounts on inside front cover, ff. i, ii verso, 85 recto-verso, and inside back cover. The location of the writer is uncertain but may have been Monmouthshire, Gloucestershire or another county at or near the Welsh border as mention is made of travelling to Howle in Shropshire (ff. 13 verso, 42 verso, 43 verso, 44 verso), to [?Soilwell Farm] in Gloucestershire (f. 32 verso), to Hereford (f. 29 verso), and to attending Ross[-on-Wye] church (f. 23 verso).