Papers of Max Lock, 1936-1988, produced and collected by Max Lock and the Max Lock Group, relate to Lock's career as a planner and architect and to wider issues in planning, particularly after World War Two, and comprise working papers (including survey papers) and finished material.

They include correspondence; notes and card indexes; photographs (some aerial), slides, drawings, maps and plans; Bills, Acts, white papers and other official publications; books, articles, reports and other publications (some annotated); typescripts; press cuttings; and conference papers. The bulk of the material dates from the 1940s to the early 1970s. Material relating to Lock's career and projects within the UK includes papers on his time as a Watford councillor and his architectural practice in the 1930s, including a timber house he designed at Stanmore, Middlesex; Hull, 1939-1957, including conflicts between Lock and his superiors; Scalby, 1940-1941; Middlesborough, 1943-1970; Hartlepool, 1946-1970; Portsmouth, 1948-1973; Salisbury, 1949-1969; Sutton Coldfield, 1950-1967; Bedford, 1950-1971; Sevenoaks, 1954-1965; Aberdare, 1957-1959; Stratford (West Ham), 1957-1962; Hackney and Shoreditch, 1960-1971; Woodley, 1962-1969; Oldham, 1962-1971; Covent Garden, 1963-1971; Battle, 1964; Brentford and Chiswick, 1964-1970; Torbay, 1968-1969; Dunstable, 1968-1972; Greater London Development Plan Inquiry, 1969-1971, and other material on GLC planning and transport; Beverley, 1969-1972. Material on projects and visits overseas includes papers on Scandinavia, 1937-1939, 1946-1949; India, Pakistan and Ceylon, 1946-1955; the Netherlands, including the Town Planning Institute Tour (1946), 1946-1957; the Americas, including Brazil, the West Indies and the USA, 1952-1969; Italy, 1952-1970; the Middle East, including Iraq and Jordan, 1954-1958; Australia, 1959-1960; Aden, 1960-1961; Kuwait, 1961; Nigeria, including Kaduna and Maiduguri, 1962-1975.

The collection includes a large volume of accumulated material, 1944-1987, largely printed material by other authors, including other planners, planning bodies and architects, some from architectural and planning journals and from the national and regional press, on planning and related issues both in the UK and overseas, such as planning law and procedures; central and local government and administration; public inquiries; housing; historic buildings; urban development; industry and retail; transport infrastructure, including roads and ports; traffic, noise, and the environment; social and economic issues including employment, labour, and social class; population levels and density; public amenities and utilities; land use and open space; and statistical data. Some papers relate to the affairs, including legal and financial matters, of the Max Lock Group; the architectural work of Max Lock and Partners; premises in Victoria Square, London; and the Max Lock Group Nigeria. Papers of or concerning Lock himself include his notebooks and other papers reflecting the development of his ideas; papers relating to publications and broadcasts; papers relating to professional bodies, including the TPI, RIBA, TCPA and UDAG; personal correspondence; photographs of him and his friends; papers on music and architecture, including lecture notes; articles about Lock, and his obituary in the Independent, 3 May 1988.