Founding documents, pre-foundation, and publishing company committee minutes, and early member correspondence 1949-2003; Intergroup, Region, General Service Conference, and General Service Board minutes, reports, and administrative papers 1952-2020; administrative records from the Central Service Office, General Service Office, Northern Service Office, and Southern Service Office 1959-2003; reports and digests from European and World Service Conferences 1969-2016; material from national, regional, anniversary, special, and mini conventions 1958-2019; AA GB newsletters, magazine and journals, including early newsletters, AA Newsletters, SHARE Magazines, Box 514, Roundabout, and related editorial material 1949-2019; AA GB directories including Where to Find, and Intergroup, Regional Officer Group and General Service Board Trustees 1946-2019.

Plans, drawings and photographs from various architectural journals, including The Building News, The Builder, The Builders' Journal and Architectural Record, and The Architect, 1870s-1920s.

Illustrations of stained glass at York churches, including Holy Trinity Goodramgate, All Saints North Street, St Martin cum Gregory, and York Minster, c.1906-c.1922; sketch books, paintings and drawings of topographical scenes, churches and other buildings in England, Wales, Scotland, Ireland, and Switzerland, c.1906-c.1922; correspondence between the Leaf family and the Diocesan Registry and Borthwick Institute for Archives concerning the location of Mabel Leaf’s cartoons of medieval stained glass, 1962-1982.

Architectural records of George Gaze Pace and Ronald Sims, 1940s-2007, including project proposals, specifications, invoices, site and building plans, correspondence, press cuttings and other papers concerning architectural projects principally in the UK but also in countries including America, Ireland, Malta, Nigeria, South Africa and Uganda.

Papers of the Christian Fellowship Trust, as collated by its UK Secretary and Administrator Alison Harvey, including applications and arrangements for Study Tours of Europe, South Africa and Namibia, with reports submitted by grantees detailing their experiences, [1960s-1990s]; CFT United Kingdom Committee meeting papers, 1977-1993; papers concerning the UN and independent monitoring in South Africa and Namibia, including the Ecumenical Monitoring Programme in South Africa [EMPSA], and the Churches Information and Monitoring Service [CIMS], 1989-1994; general correspondence relating to the work of the CFT and the affiliated Community Networks International [CNI], 1991-2001; papers concerning Beyers and Ilse Naudé, 1974-[2000s]; CFT and CNI project and funding proposals, [1994-1998]; papers concerning the Barker Memorial Fund, 1995-2001; and papers concerning the history of the Tiger Kloof educational institution [now Tiger Kloof Combined School] in South Africa, 1955-1999.

The archive also contains a large quantity of publications, newsletters and press cuttings relating to the work of other, largely Christian, organisations in South Africa and Namibia; and publications, articles, press cuttings and other materials relating to the 1989 elections in Namibia and the 1994 elections in South Africa.

Maps, books and papers of Martin Stewart and his son Douglas Martin Stewart including, ordnance survey maps, c.1805-1951; street maps, c.1862-c.1929; facsimile of Hoefnagle's map of Bristol in 1575, 1868; Stanford's brochure of maps of London, 1874; Bradshaw's railway maps of the British Isles, 1889-1949; railway map for Yorkshire and Lancashire, n.d; Stanford's Indexed Atlas of the County of London, 1911, 1920; Daily Telegraph Pocket Atlas of the [First World] War, n.d; Hardings' Route Guide and Map to the district of York, n.d; Bartholomew's’ historical map of Scotland, n.d; map of Guernsey, n.d; printed books including Bradshaw's Railway Companion 1844, Digest of the English Census of 1871; antiquarian notes listing divisions of parishes and counties, population figures, n.d.