The records of Queen Elizabeth College Library include minutes, correspondence and publications, 1905-1986; notably an incomplete series of Library Committee minute books, 1905-1977 (Ref: QAL/M); loose minutes, correspondence and other papers concerned with the management and operation of the Library, in particular working party notes, policy documents, Library Committee papers, donations, accessions lists, finance, redevelopment, computing, and relating to the teaching of physics and social studies, 1962-1986 (Ref: 1992/QAL/F, QAL/F1); correspondence and architectural plans relating to the planning and development of a proposed new library, statistics and inspections, 1971-1979 (Ref: 1999/QAL); publications including copies of articles from a wide range of physiological and medical journals, mainly concerning obesity, hormonal and metabolic balance with the results of studies carried out on humans and rodents, 1912-1975 (Ref: QAL/PUB1); papers relating to catering, domestic planning and appliances, including on electric cookers and refrigerators, [1963-1970] (Ref: QAL/PUB2); Harrow Consumer Group publications including its magazine, Query, 1967-1971 (Ref: QAL/PUB3); publications concerned with recipes and diet and kitchen hygiene [1915-1960] (Ref: QAL/PUB4); pamphlets, brochures and other publications issued by the Government of Malawi and organisations in Rhodesia and Nigeria, on nutrition, health education, agricultural development and farming practices, 1969-1973 (QAL/PUB5).

The records of King's College London Library consist of committee minutes, correspondence, memoranda and other papers, 1830-1998. These include the principal Library Committee minutes and correspondence , 1871-1994; Library Resources Co-ordinating Committee (LRCC) minutes and papers, 1974-1993; Library Services Management Team papers, 1990-1994; minutes of the Strand Campus Users Committee, 1987-1990; minutes, correspondence, reports and memoranda concerning the strategic planning and general policy of the Library including Library Reports, 1987-1990, quinquennia, the University Grants Committee, building, mergers, individual campus libraries committee minutes and overall Library aims and objectives, 1925-1994; papers relating to grants, expenditure and finance, including invoices, 1933-1993; general papers concerning the day-to-day management of the Library including constituent libraries, Second World War disruption, security issues, noise, user/reader services, information retrieval and cataloguing, rare books and Special Collections, policy on periodical subscription, binding and repair, interlibrary loans, publicity and relations with the Students' Union, 1932-1995; correspondence with departments, faculties and schools concerning accessioning policies, 1934-1992; register of borrowers, 1845-1854, 1962-1968, and general correspondence with readers, 1946-1993; papers relating to Library equipment including automation, 1986-1992; papers on building and planning, including the Library Planning and Accommodation Sub-committee, notes on Strand libraries, Cornwall House, Manresa Road, Chelsea, and Hampstead sites, 1948-1993; papers relating to staff and staffing levels, including lists, appointments, appraisals, questionnaires, staff meeting minutes and establishment papers, 1933-1997; individual personnel records of Library staff, 1957-1998; manuscript and typescript Library catalogues and shelf lists, including the Marsden Library, 1830-1993; papers relating to stock, including stock checks and transfers, 1989-1994, accessions registers, 1847, 1932-1975, correspondence and registers of gifts and bequests, including the private papers of academics, 1898-1992, indexes to journals and serials, 1931-[1963]; 1986-1992; papers of Hedwig Pollock, rare book librarian, 1943-1967, including professional correspondence, detailed descriptions of very rare books and manuscript texts and some fragments from a 16th century volume; papers relating to the Liddell Hart Centre for Military Archives and Library, including correspondence with Trustees, minutes of the Trustees and external funding, 1959-1996; interlibrary co-operation and computerised data collection and librarianship including the Standing Conference of Librarians of Libraries of the University of London, Consortium of University Research Libraries (CURL), British Library Research and Development Department, Monitoring and Assessment Research Centre (MARC), Arts and Humanities Data Service (AHDS), European Union Trans-European Mobility Scheme for University Studies (TEMPUS) and Standing Conference of National and University Libraries (SCONUL), 1955-1998.

Chelsea College Library records, 1895-1987, comprise papers collected by the College Library or describing the work of the Library on the Chelsea campus following the merger with King's College in 1985, notably correspondence with the College Secretary and departments, 1974-1980; papers relating to Library computerisation, 1979-1987; staffing and salary matters, 1978-1985; University Grants Committee papers on libraries, 1974-1982; History and Philosophy of Science Library correspondence and bibliography, 1964-1987; Chelsea Campus Libraries Users Committee notes, 1985-1987; finance, 1975-1977; concerning the College History Collection, 1965-1974; notes relating to building and planning at the King's Road site, 1971-1987; University of London merger and other papers, 1978-1983; reports on medical education in London, 1980; concerning Library private papers, 1949-1970; Library Annual Reports, 1963-1987 (1992/CAL, CAL/1986); correspondence concerning Library donors and Zoology reprints, 1967-1985 (Ref: 1986/CAL); accessions registers, 1921-1975 (Ref: CAL/RG); lists of current periodicals, 1960-1974 (Ref: CAL/RGJ); payments books for stock, equipment and expenses, 1960-1973 (Ref: CAL/CB); Library staff personnel files for leavers between 1970-1976 (Ref: CAL/FP); material concerning the history of the College accumulated by the Library, including charters, official reports, with some press cuttings, 1914-1981 (Ref: CAL/H).

Records, 1868-1911, of King's College School, including annual lists of pupils and amounts paid for books, 1868-1896, and indexes of books in use [late 19th century] (Ref: KS/LI); papers on the removal of the School to Wimbledon, 1897; cash accounts for Trustees meetings, 1897-1900; correspondence on raising funds for the School, 1902-1903; correspondence on the financial consequences of severance of the School from King's College London, 1905-1906; applications for the headmastership, 1906; correspondence on a proposal for a pupils' boarding house in Wimbledon, 1909-1910; correspondence and papers on School affairs including transfer of the School from King's College London, financial affairs, the new governing body, and applications for the headmastership, 1909-1911 (Ref: KS/F).