Records of the Monmouth Divisional Liberal Association, 1975-1988, including financial records, 1977-1987; correspondence, 1981-1988; newsletters, 1982-1986; lists of members, 1975; papers relating to the Gwent County Council elections, 1981-1985; and records of the Monmouth SDP, 1981-1986, including financial records, 1981-1986, and treasurer's correspondence, 1981-1986.

Records mainly of the manor of Monmouth, 1549-1919, including a survey of the manor, 1612; entry books of surrenders of customary properties, 1673-1919; transcripts of papers relating to heriots and alienations, 1606-1628; conveyances, 1610-1774, of the manors of Monmouth, Ebboth and Longstocke, and the lordships of Kidwelly, Carnwyllion and Iscennen; and transcripts of documents relating to the borough and corporation of Monmouth, 1549-1716.

Press cuttings, manuscript notes by George Eyre Evans [?and W. Pepyat Evans], sketches, photographs, postcards, etc., relating to the visit of the Cambrian Archaeological Association to Monmouth and neighbourhood, August 1908.

The series comprises records, April-September 1991, relating to the Labour campaign in the Monmouth by-election of May 1991 when the successful Labour candidate was Huw Edwards.

Papers of Messrs Powles & Tyler of Monmouth, solicitors, including deeds, accounts and correspondence, 1683-1895, predominantly 1780-1880, relating mainly to Monmouthshire families; deeds and accounts relating to individual properties, mainly in Monmouthshire, 1614-1901; sale posters for properties, mostly in Monmouthshire, 1777-1860; shrievalty papers, 1824-1845; records of civil cases, 1762-1848; probate records, 1733-1900; insurance papers, 1737-1881; taxation papers, 1800-1871; insolvent debtors papers, 1807-1831; papers of Friendly Societies, 1833-1874; papers relating to industry, 1790-1872, transport, 1826-1913, and religion, 1804-[early 20th century]; election and electoral registration papers, mainly in Monmouthshire on behalf of the Conservative party, 1818-1885; personal papers, 1808-1895; and miscellaneous items, [c. 1250]-1886, including oriental documents, [early 19th century], acquired by Sir Leonard Twiston Davies, mainly the work of Persian poet, Mīzrā 'Abdu'l-Wahhāb of Eşfahān (d. 1828).