Papers relating to the activities of the Preseli Anti-Nuclear Group, 1981-1987, including mostly newspaper cuttings concerning the nuclear arms race, foreign affairs, peace groups and disarmament, nuclear power stations and nuclear waste, with also leaflets and correspondence.

Various flyers, mainly relating to peace and international solidarity which were circulated at the National Eisteddfod in 2026 including leaflets on subject including a campaign against nuclear reactors near Maesteg, the campaign against military radar stations in Pembrokeshire, military facilities in Aberporth, Gaza, Israeli nuclear weapons, the Cuba blockade and booklets in English and Welsh entitled "Beyond the War Economy; A Sustainable Proposal for Wales" along with the issue of the Morning Star with a Welsh language wraparound on Niclas y Glais. The fiel also includes flyers produced by TUC Cymru, All Under One Banner Cymru and Cymdeithas yr Iaith Gymraeg.

Correspondence and papers, 1915-2005, relating to the work and activities of CND Cymru/CND Wales. They comprise papers, 1975-2004, relating to various campaigns and events in which CND Cymru became involved (two series); records, 1986-2004, reflecting various campaigns in which CND Cymru became involved and its work with other organisations, including a large number of journals, leaflets and other publications issued by these groups and organisations; records, 1915-2005, deriving from the internal administration of CND Cymru, including the agenda and minutes of meetings, 1993-2004, and incoming and copies of outgoing letters, 1990-2004; papers, 1979-2005, relating to a large number of groups and organisations within Wales and their publications; papers, 1984-2004, concerning Iraq: sanctions against Iraq, opposition to the Iraqi War, and peace festivals and anti-war protests; material concerning Chernobyl, 1986-2004; material, 1991-1999, relating to the Trawsfynydd Power Station; and printed items, 1961-2004, including printed material relating to several local peace groups in south Wales and leaflet and pamphlet material.

An additional consignment of papers relating to the work of CND Cymru. A comprehensive list is included in Box 1(i). A box of posters and other ephemera was also deposited.

Papers of CND Cymru, 1957-1992, comprising: national and local branch minutes, strategy documents and other administrative papers, correspondence, speeches, programmes for summer schools, details of protests and conferences, publicity material, press statements, pamphlets and articles, papers relating to the National Council, reports, newspaper cuttings, information packs, and ephemera, relating to local, national and international campaigns.

The archive comprises election ephemera, including election addresses, posters, drafts of election material, mostly for Plaid Cymru candidates for UK Parliament and local elections, along with some ephemera related to anti-nuclear weapons and anti-nuclear power campaigns and Plaid Cymru publications.