An imperfect rental of the lordship of Ros, ?Reuonyok, and Keym[er]gh, for the year ending Michaelmas 1451.

A catalogue of the books, pamphlets, manuscripts and writings of John Davies of Llannerch, Denbighshire, taken 1778. The books are catalogued according to size. The occasion for the compilation of this catalogue was a lease for fifteen years of Llannerch Hall granted by John Davies to the Rev. William Davies Shipley, dean of St Asaph. Also preserved within this volume are four leaves containing a catalogue of the manuscripts in the Llannerch Library, taken in 1740.

The series comprises crown rent accounts and other relevant papers concerning the Denbighshire, Flintshire and Merionethshire estates of John Wynne Griffith, 1791-[c. 1821] and his son, George, 1843-1845.

Notebooks of A. Foulkes-Roberts, [c. 1882]-[1941], containing extracts from parish registers, mainly from Denbighshire and Flintshire; transcripts of tombstone inscriptions and church memorials, copies of probate records from the Dioceses of Bangor and St Asaph, and the Principal Probate Registry; and notes and extracts from marriage licence bonds, clergy subscription books and other St Asaph diocesan records. The copies were made by A. Foulkes-Roberts and his brother R.D. Roberts.

A collection of twenty-eight folk-songs, mostly with words, noted by Mrs [later Lady] Ruth Herbert Lewis, collected in Flintshire and Denbighshire in 1910-1911. Thirteen of the songs are published in her Folk-songs collected in Flintshire and the Vale of Clwyd (Wrexham, 1914) or Journal of the Welsh Folk-song Society, 1 (1909-12) and 2 (1914-25).

A copy of Donald Parr's thesis, 'The study of the development and present form of agriculture in Denbighshire', prepared for the degree of BA (University of Durham, 1959).

A manuscript containing copies of titlings for writs of covenant, entries of fines levied and recoveries suffered at courts of Great Sessions for Montgomeryshire and Denbighshire, 1799-1806.

A manuscript containing a terrier of lands, 1616, in Cheshire, Flintshire, Montgomeryshire and Denbighshire, together with memoranda involving money owing and lent, etc.

Farm and household accounts, 1736-1746, kept in a volume containing notes on gardening and fruit cultivation and on mechanics by Sidney Williams and/or Dorothy Wynne [?of Melai or of Rhos and Llangynhafal], Denbighshire.

An entry book, 1783-1798, of fees collected by the Reverend John Rocke on the passing of fines and recoveries in the Denbighshire and Montgomeryshire circuit of the Court of Great Sessions.

A notebook, 1878-1879, containing sheep earmarks from over two thousand farms in counties Merioneth, Denbigh and Caernarfon, with an index of parishes and localities (pp. 246-7).

Notes, 1828-1829, of sermons by John Elias, James Hughes ('Iago Trichrug') and others heard at Calvinistic Methodist churches in and around Denbigh, together with occasional references to events in the district.

A catalogue of the library of Frederick Richard West (1799-1862) at Rhuthun Castle, co. Denbigh, August 1859, arranged in shelf order, with pencilled valuations and additions to the original list in a later hand.

Account book of Evan Jones, Park, parish of Llangwm, co. Denbigh, containing particulars of meat sold, 1852-4, and other accounts and memoranda, ca. 1855-62. The volumes was used, 1920s, to record over three hundred sheep earmarks from farms in counties Denbigh and Merioneth.

Four holograph letters to the Reverend Dr. [William] Buckland, Christ Church, Oxford, from J[oshua] Trimmer, Caerna[r]von, etc., 1834-1836 (a 'good budget' of 'diluvial news' from Caernarvonshire, the 'alluvia' of Dublin Bay, etc.) (together with one draft reply), and from J[ohn] E[ddowes] Bowman [the elder], from Varteg near Ponty Pool, Monmouthshire, and from Gresford, near Wrexham, 1836 (papers read at the British Association meetings at Bristol, the excavation of the Cefn bone cave); and one holograph letter from Geo. Cumming, Dolhyfryd, near Denbigh, to the Reverend Edward Stanley (of Adderley) [sic] at the British Association, Bristol, 1836 (observations on the limestone caves at Cefn).

Two composite commonplace books of Edward Jones, Cyrchynan-uchaf, Llanarmon Dyffryn Ceiriog, 1824-1831, containing lists of preachers' texts, farming accounts and memoranda, overseers' accounts, sheep ear-marks, a ' carol plygain' (1830) by R. Williams and other verses in free metres, equivalent Welsh and English words and expressions, etc.

A typewritten transcript, with manuscript insertions, by K. M. Davies and W. Lloyd Davies, Bournemouth, of the enclosure award of Henllan Wastes and Denbigh Green, 1814. The transcript was made at the County Offices, Ruthin, in November 1936. Inset are a typewritten copy of the article on the award by W. Lloyd Davies which appeared in the Bulletin of the Board of Celtic Studies, Vol. IX, pp. 247-71, and a 'pull' of the map accompanying the article.

A bound volume containing holograph notes and pencil and pen-and-ink sketches [by the Reverend Elias Owen, vicar of Efenechdyd, 1881-1892, and of Llanyblodwel, 1892-1899, being material subsequently incorporated in his published work Old Stone Crosses of the Vale of Clwyd and Neighbouring Parishes, together with some Account of the Ancient Manners and Customs and Legendary Lore connected with the Parishes (London [1886])].

Sermons preached at Efenechtyd and Llangynhafal, Denbighshire, 1810-1830, by John Jones of Plasynllan, Llangynhafal, rector of Efenechtyd, 1799-1817, and of Llangynhafal, 1817-1830, and brother of Robert Jones, the friend of William Wordsworth; and a copy of Mawr werth enaid dyn (Caernarvon, 1805).

A manuscript containing sermons preached at various places in Denbighshire, Flintshire, Montgomeryshire and Caernarvonshire.