Records, 1891-1970, of Regent Street Polytechnic, comprising:
Governing Body minutes, 1891-1970, attendance books, 1954-1970, and related papers; Finance and General Purposes Committee minutes, 1891-1932, 1951-1960, and attendance books, 1949-1958.

Deeds, leases, agreements, schedules, licences and correspondence, 1891-1970, concerning Polytechnic affairs and premises, including Langham Place, Riding House Street, Great Portland Street, and other sites, and use of the Polytechnic Theatre (Marlborough Hall), Regent Street, as a cinema;
papers, 1889-1970, relating to the Charity Commissioners' Scheme for the Polytechnic.

Financial records, some relating to Trusts and prizes, 1891-1970, including balance sheets, accounts and financial statements, 1891-1895, 1899-1904, balance sheets and accounts, 1939-41, ledgers, 1892, 1902-1970, journals, 1939-1956, various cash books, 1905-1970, invoices, 1905-1911, 1959-1965, correspondence and papers concerning overdrafts, 1927-1954, record books, perhaps recording payments to government-sponsored students, 1919-1923, applications for and papers relating to grants from the City Parochial Foundation and London County Council, 1891-1960, and other papers relating to funding and regulatory bodies, including the Board of Education, papers relating to the Quintin Hogg estate and investments, 1903-1970, and the Kynaston Studd memorial fund, 1940s, and Polytechnic Benevolent Fund minute book, 1938-1965.

Administrative papers and correspondence of the Polytechnic and its officers, 1902-1964, relating to premises, finance, staff and salaries, library, enrolments, fees and examinations; correspondence and papers on fundraising and rebuilding, 1909-1916, including Building Committee minutes, 1908-1911, and plans, agreements and press cuttings; correspondence and papers on fundraising and extension, 1926-1929; correspondence, plans and other papers, 1911-1946, relating to premises including Cavendish Place and Langham Place; correspondence and papers relating to administration and facilities of the Quintin Hogg Recreation Ground, Chiswick, 1904-1960s, including the Trustees' minute book, 1932-1959; papers relating to proposed re-organisation, 1959-1969.

Records of the Education Department, including prospectuses, 1892-1970, and records relating to examinations, results, certificates, and medals awarded to students, 1891-1970;
papers of the Teaching Staff Association, 1963-1970;
records of the Polytechnic Institute, comprising membership records for men, 1891-1958, and women, 1904-1960, and subscription ledgers for men, 1891-1937, 1952-1963, and women, 1904-1937, 1952-1960; papers relating to World War One, 1914-1915, including three volumes on members on active service.

Papers, including ephemera, on Polytechnic jubilees, public and social occasions, and official visits, 1904-1964, including the royal visit, 1912, the opening of the stadium at Chiswick, 1938, coronations, 1937, 1953, and Hogg centenary celebrations, 1964.

Rules, 1913; printed annual reports, 1931-1938, 1952-1970, and typescripts, 1938-1941; staff handbooks [1954], 1964 and undated; student handbooks, 1961-1970; lecture notes and exam papers for the P.O. Workman's course, 1929-1933; class notebook for Electro-Technology, 1930s; lecturer's notebook detailing classroom allocation, staff teaching hours and student enrolment numbers, 1930-1945; The Polytechnic Magazine, 1891-1971, which includes detailed information on Polytechnic business and activities; miscellaneous other publications, including The Polytechnic: its genesis and present status (1892), The Polytechnic Portrait Gallery (1894), comprising portraits of staff and members, an honorary membership ticket, 1895, student magazines, 1936-1969, and miscellaneous articles, typescripts and cuttings on the Polytechnic, 1892-1968; volumes of press cuttings and scrapbooks of ephemera, 1893-1947, including Polytechnic activities, rebuilding, and J E K Studd.

Textbooks written by members of the Polytechnic teaching staff, including
Theory and Analysis of Ornament - Applied to the Work of the Elementary and Technical Schools by Francois Louis Schauermann, 1892; The Polytechnic Coat System by Dr Thomas Darwin Humphreys, 3rd edition, n.d. [1900]; A Manual of Boot and Shoe Manufacture designed for the use of technical students by Herbert Hill and Henry Yeoman, 3rd edition, 1900; Building Construction and Drawing - first stage (or elementary course) by Charles F Mitchell, assisted by George Mitchell, 6th edition, 1902; Engineering Drawing : Principles and Practice of Draughtmanship by W. Weeks, n.d.; Polytechnic Technical Scales by C F Mitchell, n.d.; Hasluck's Recitations volume II: Hasluck's Recitations for Ladies compiled and adapted by Mr and Mrs S L Hasluck, 1903; Indiarubber and Gutta Percha - A Complete Practical Treatise by T Seeligmann, G Lamy Torrilhon and H Falconnet. Translated from the French by John Geddes McIntosh, 1903; Carpentry Workshop Practice by C F and G A Mitchell, 1904; Brickwork and Masonry: A Practical Textbook for students by Charles F Mitchell, 1904; The Polytechnic Cookery Book by M. M. Mitchell, 1907; Pumps - Their Principles and Construction - a series of lectures delivered at the Polytechnic Institute, Regent Street, London by J Wright Clarke, 2nd edition, 1919; Speech Training in the School by Marjorie Gullan, 1929; A Modern French Course for Beginners by A C Clark, 1930; General Electrical Engineering edited by Philip Kemp, 1943; A Modern German Course - Part 1 and Part 2 (2 volumes) by A C Clark and W O Williams, 1947; Fitness for All by Joseph Edmundson, 1953; The Pan Book of Swimming and Water Sports by Joseph Edmundson, 1965.

Photograph album, c1899, including photographs of activities and buildings; other negatives, prints, and plates, comprising buildings and premises (exterior and interior shots), including Langham Place, Regent Street, Little Titchfield Street, and the Quintin Hogg Recreation Ground, Chiswick; educational aspects, including Polytechnic Schools, libraries and laboratories, and window displays and exhibitions; events, including the royal visit, 1912, Lord Mayor's Show, 1922, 1928, annual fetes, 1927-1932, and Coronation concert and dance, 1953; personalities, including members of the Hogg family, Robert Mitchell, and J E K Studd; photography students' work, 1960-1970. Some earlier photographs were taken by the Polytechnic School of Photography.

Material relating to the Hogg family, 1855-[1970], includes articles about Quintin Hogg, 1888-1949; miscellaneous of Hogg's letters, mainly copies (originals dated 1882-1903), some relating to the Polytechnic; books by or associated with Hogg, 1855-1900; papers relating to his death, funeral and monument, 1903-1907, including printed material and a volume of press cuttings on his achievements; and information on other family members. Material relating to other Polytechnic notables comprises T H W Pelham's Recollections of the pre-historic days of the Polytechnic (1914); miscellaneous papers relating to Robert Mitchell, comprising a letter to E J Painter, 1929, a cutting on his death and orders of service for memorial services, 1933, and Ethel M Wood's Robert Mitchell (1934); miscellaneous correspondence and papers relating to John Edward Kynaston Studd, including programmes for social events, 1922-1935, his The origin, history, and present work of the Polytechnic [1932], papers relating to his death, 1944-1945, and A L D Hamilton's Kynaston Studd (1953); printed material on other members of the Studd family, 1914-1962.

Papers of Professor John Percy, comprising letters to Richard Smith, of the Metallurgy Laboratories, Royal School of Mines, 1853-1860, relating to work at the laboratories; notes and correspondence relating to experiments on glass, 1840-[1888].

Records of South Kensington Development Schemes, 1936-1948, and Imperial College Expansion Scheme, including proposed schemes for South Kensington, 1936-1945; minutes of the Sites Committee, 1945-1950; plans and correspondence relating to the South Kensington site, 1944-1947; notes and plan of the Chemical Technology extension, 1949; new biochemistry building, 1950; purchase of various properties on Queen's Gate, 1937-1969, including war damage compensation; papers relating to the development of Silwood Park Field Station, Sunninghill, Berkshire, 1954-1957; minutes of the Dean's Committee, later Development Committee, 1953-1970, with correspondence (IA);
papers relating to academic posts, 1953-1962, including new chairs, 1953; postgraduate bursaries, 1955-1957 (IB);

papers relating to Imperial College Expansion Scheme, including press cuttings, 1946-1970; early history, 1950-1955; reports and plans for the expansion scheme, 1958; correspondence concerning the proposed demolition of the City and Guilds College building, 1955-1956; notes concerning future Student Union facilities, 1955;
papers of Sir Patrick Linstead, Rector, including correspondence concerning the expansion scheme, 1944-1966, notably the retention of the Imperial Institute building, 1955; the Collcutt (now Queen's) Tower, 1956-1957; 170, Queen's Gate, 1957-1963; accommodation for departments, 1959-1965; new hall of residence (Linstead Hall), 1963-1969;
papers relating to the demolition programme and architects, including correspondence with the architects, 1951-1963; plans and finance, 1953-1967; demolition programme, 1954-1957; Imperial Institute, 1955-1956; building programme, 1957-1958; use, restoration and occupation of Queen's Gate and Prince's Gardens, 1957-1962; Royal College of Science adaptations, 1957-1962; correspondence relating to the Roderic Hill Building, 1949-1962; Biochemistry building, 1964-1967; adaptations to the Royal School of Mines, 1958-1970; papers relating to the Falmouth Gates, including the Memorial fund, 1962-1965; design of the gates, 1964-1969; report and correspondence relating to landscaping, 1958-1967; souvenirs from the demolished Royal College of Science building, 1956-1977;
papers relating to halls of residence, including Prince's Gardens, development scheme, 1957-1962; acquisition, 1954-1960; architects, 1956-1976; occupiers of the site, 1860-1959; correspondence relating to Linstead Hall benefactions, 1963-1975, extension, 1976-1980 and building specification, 1964; correspondence concerning Southside Halls opening and maintenance, 1963-1966; papers concerning Weeks Hall, 1956-1975, including the opening, 1958-1959, structural failures, 1973-1975;
papers relating to the Mechanical Engineering Building, 1956-1960, including contract documents, 1956-1957; papers relating to the Physics Building, 1953-1975, including planning, 1953-1964, opening of the Blackett Laboratory, 1975; correspondence and opening programme relating to the Huxley building 1966-1976; correspondence relating to the College Block, 1958-1969; papers relating to the Science Museum Library, 1953-1962; college estates development plan, 1992 (IC).

Records of the Huggett Laboratories of St Mary's Hospital Medical School, 1963-1988, comprising minutes of the Committee, 1974-1983; Users Committee, 1984-1988; Curator's reports, 1972-1987; accounts, 1963-1976; papers relating to working parties, 1980-1985; papers of the Committee Chairman, 1973-1986.

Records of the Department of Geology of Imperial College, 1876-1996, including histories and notes on the department, [1851]-1996; papers relating to courses, 1878-1949, comprising notes, 1896-1942, including laboratory work, 1878-1883; courses for teachers, 1895-1908; lectures and addresses by Professor Herbert Harold Read, 1942-1949; Rectors' correspondence, 1955-1981, concerning grants, headship, transfer of the department, courses; newletters, 1969-1995; research report, 1988; papers of Professors' and Heads of Sections' Meetings, 1969-1988; papers of historical interest accumulated by the department, 1876-1964, including Professorial correspondence, 1876-1916; departmental reports, 1907-1930; financial papers, 1906-1936; war work, 1914-1919; papers of Professor Percy George Hamnall Boswell, 1932-1960; Professor Charles Gilbert Cullis, 1923-1937; Professor Herbert Harold Read, 1944-1964 (KG);
papers relating to Geochemistry, concerning the opening of new laboratories, 1956; Wolfson Foundation grant, 1978 (KGC); items from the Murchison Museum, [1773-1825] (KGM); papers relating to Geophysics, including correspondence with the Department of Scientific and Industrial Research and the Royal Society concerning the foundation of a postgraduate school, 1929-1943; leaflet, 1956 (KGP3); papers relating to Oil Technology (KGO).

Records of Imperial College Field Research Stations, comprising papers relating to Slough Field Station, Berkshire (Hurworth), including correspondence concerning purchase, 1927-1929; stored products research, with the Ministry of Agriculture and Empire Marketing Board, 1930-1933; building development scheme, 1936-1938; sale of land at Hurworth, Berkshire,1931-1949 (KZFA); correspondence concerning grants for fumigation research, construction of fumigation chamber, 1931-1938 (KZFB); correspondence with the Department of Scientific and Industrial Research relating to Slough Field Station, 1939-1954, including research and accommodation arrangements (KZFD);
papers relating to Silwood Park Field Station, Berkshire, 1838-1990, including history, 1947-1990; sale particulars of the estate, 1838 (KZF); correspondence concerning purchase, 1944-1945; academic development, 1947-1953; purchase and letting of Silwood Park Farm, 1951-1957; land development, 1956-1968; Botany Department laboratory space, 1957-1958; Rectors' correspondence, 1965-1976; Sirex Biological Control Unit, 1963-1966; radar tower, 1962-1965; general files, 1971-1986; lease of land for an astronomical observatory, 1948-1959 (KZFG); papers relating to Silwood Park Open Days, 1972, 1989 (KZFH); expansion, 1955-1965, including Shell Parasitology building, 1959-1961; Nematology building, 1955-1961; Rectors' papers, 1955-1965 (KZFK); sale catalogues for Silwood Park, 1944; Ashurst Lodge, Berkshire, 1939 (KZFL); reports on the Overseas Spraying Machinery Centre, Silwood Park, 1955-1980 (KZFO); Silwood Centre for Pest Management, 1984-[1986] (KZFP); correspondence on the purchase of Sandyride House, 1969-1970 (KZFS); development schemes for Silwood Park, 1984 (KZFT);
manorial records for Silwood Park, including court roll of the manor of Sunninghill, 1616-1790 (KZFM);
papers relating to Harlington athletics ground, Middlesex, 1937-1957, including the Development Committee, 1937-1944; purchase and sale of land, 1936-1956 (KZFG7).

Records of the Department of Electrical Engineering of Imperial College, 1891-1980, including a departmental history from 1884-1963, press cuttings; papers relating to postgraduate courses, 1953-1972; laboratory work, including instruction sheets, 1930-1959; notes by Professor Cecil Lewis Fortescue, 1923; reports by students, 1891-1927; students' lecture notes and files, 1958-1960; correspondence with the administration department, 1908-1941, 1958-1969; correspondence concerning a Readership in Electronics, 1948-1959; Readership and bursaries in Electric Traction, 1956-1967; papers relating to projects, 1968, 1978; course syllabus, 1964-1970; Lucas fund, 1962-1970; reports of working parties, 1979-1980; examination papers, 1953-1970; departmental correspondence of Professor Arnold Tustin, 1951-1961, including research projects, research grants; papers relating to Engineering in Medicine, comprising Leverhulme Trust Fund bursaries, 1962-1967.

Records relating to the Department of Civil Engineering of Imperial College, 1928-1981, comprising correspondence relating to the establishment and organisation of a four year course in Engineering, 1977-1981 (KE); departmental history from 1884-1956; lists of students, 1929-1931; laboratory work, 1928-1943; correspondence, 1933-1981, including administration, 1933-1940, donation of records by Captain WN McClean, 1954-1968; Rector's correspondence, 1955-1981 (KEC);
papers relating to the Highway Engineering Department, 1928-1970, including correspondence relating to the Maybury Chair of Highway Engineering, 1929-1934; minutes of the Highway Engineering Advisory Committee, 1936-1944; departmental reports and correspondence, 1928-1943 (KECA); papers relating to the Building Science Course, 1929-1953, including correspondence concerning the establishment of a postgraduate course, 1929-1933; establishment of a Chair at the City and Guilds College, 1942-1947 (KECB); papers relating to Concrete Technology and Structures, 1944-1974, including minutes and reports of the Advisory Committee, 1944-1974; correspondence with the Cement Makers' Federation, 1949-1964 (KECC);
papers relating to the London Centre for Marine Structures and Materials, 1974-1978, including proposal for an offshore structure centre (KECM); leaflets on Engineering Hydrology courses, 1955, (KECH); papers relating to Public Health Engineering, 1947-1967, including correspondence concerning Rockefeller bursaries and Readership, 1947-1951; minutes of the Advisory Committee, 1949-1967 (KECP); leaflets on Soil Mechanics courses, 1967 (KECS).

Records of the Department of Chemistry of Imperial College, 1880-1991, including articles, press cuttings, reminiscences of old students, 1912-1991; regulations, 1901-1925; examination papers, 1886-1972; correspondence concerning equipment and test certificates, 1905-1933; notebooks of students' laboratory work, 1890-1903; notes on advanced organic chemistry lectures, 1914-1915; practical chemistry, 1894-1896; physical chemistry lectures, 1905; inorganic chemistry, 1894-1895; correspondence of staff, including Professor Sir William Augustus Tilden, 1907-1909; Professor James Charles Philip, 1909-1934; Professor Sir Thomas Edward Thorpe, 1909-1921; Professor H B Baker, 1912-1932; Martha Annie Whiteley, 1918-1934; Professor Friedrich Adolf Paneth, 1933-1939; correspondence relating to departmental reorganisation, 1939, and reconstruction of advanced analytical laboratory, 1938-1939; papers relating to laboratory work, 1925-1963, including sample analysis, 1925-1963; Rectors' papers relating to the department, 1950-1981, including correspondence relating to a Rockefeller grant, 1950-1957; appointments and future of the department, 1975-1981; staff attendance book, 1909; correspondence relating to war emergencies, 1938-1961; papers, including minutes, relating to the National Joint Committee on recruitment and training of science laboratory technicians, 1951-1957; papers of the Organic Chemistry Laboratory, 1907-1921; examination lists and results, 1907-1924; annual dinner menu, 1931, and list of members, 1947, of the 31 Club; analytical laboratory students records, 1910-1925; inventories of platinum apparatus and platinum, 1920-[1967]; second and third year student records and reports, 1939, 1940 (KC);
papers relating to Agricultural Chemistry, 1880-1955, including notes on Henry Tanner's lectures, 1880; correspondence concerning the course, 1935-1955 (KCA);
papers relating to the Chemical Engineering Department, 1910-1985, including press cuttings and departmental history from 1912-1939, [1960]; departmental annual and research reports, 1926-1991; postgraduate courses, 1910-1991; Professors' records, 1945-1956; students' records, 1919-1945; lists of students, 1936-1944, 1947-1950; research assistants, 1939-1941; correspondence of staff notably Professor William Arthur Bone, 1911-1936; Professor John William Hinchley, 1919-1932; Professor Sir Alfred Egerton, 1936-1946; correspondence relating to the establishment and organisation of the department, 1911-1942; papers relating to the department building, 1911-1935, including correspondence with the architect, 1911-1914; specifications and agreements, 1913-1930; estimates and expenditure for equipment, 1911-1950; correspondence relating to the Courtauld Trust endowment for a Chair of Chemical Engineering, 1944-1959; with Radiation House relating to a fellowship, 1938-1961; Rectors' correspondence with Heads of the Department, 1957-1981; British Iron and Steel Research Association research plans and press cuttings, 1947-1966; papers relating to Health Physics (Radiation Protection) summer schools, 1960-1980 (KCT).

Records of the Centre for Computing Services (formerly Computer Unit and Computer Centre) of Imperial College, 1955-1980, including annual reports and research reports, 1965; newsletters, 1971; Advisory Committee papers, 1964-1967; papers of Sir Patrick Linstead, Rector, relating to the department, 1955-1963; opening of the unit, 1964-1965; future of computing and organisation of the unit, 1964-1976; working party minutes on the separation of the centre from the Department of Computing and Control, 1974 (KCU); Rectors' correspondence relating to the Computer Centre, 1971-1980, concerning separation from the Department of Computing and Control, headship and future of the centre (KCUB);
Rectors' correspondence relating to the Computing Department, 1966-1981, concerning headship of the department, Chairs of Computing Science and Software Engineering, general matters (KCUC); papers relating to the Department of Computing and Control (later Department of Computing), 1970-1988, including BSc and MSc courses, 1963-1986; research reports, 1970-1971; opening of the Wiliam Penney Laboratory, 1988; Kobler Unit for the Management of Information Technology, 1984-1988; annual reports, research reports (KCUD).

Records relating to the acquisition and maintenance of Imperial College buildings, 1883-1991, including building sites, 1907-1910, correspondence concerning the development of a precinct, 1964-1974, aerial photograph of South Kensington, London, [1960s]; correspondence relating to accommodation for college staff and students, 1958-1974;
minutes and papers of the Buildings Committee and Estates Committee, 1984-1998; correspondence concerning services to college buildings, including with the Office of Works, 1909-1942, lifts, 1929-1956, central control systems, 1979-1996;
correspondence with the Royal Geographical Society concerning their site, 1919-1924; notes on the Royal School of Needlework, and correspondence concerning the purchase of the school by Imperial College, 1883-1956; articles and press cuttings concerning Queen's Gate houses, 1891-1969, correspondence relating to 170 Queens Gate, including purchase, 1936-1948, plans, 1960;
papers relating to the Royal School of Mines building, 1903-1954, including correspondence with the architect, 1908-1921, use and alterations to laboratories, including the Bessemer Laboratory, 1903-1954; papers relating to the Goldsmith's Company's extension of the City and Guilds (Engineering) College, including correspondence with the architect, 1908-1921, the opening, 1926, the Hawksley Memorial Laboratory, 1908-1921; Huxley Building, 1918-1977, including government occupation, 1918-1919, maintenance and adaptations, 1958-1977; Royal College of Science, 1908-1971, including correspondence concerning its' use by the University of London, 1908-1971; City and Guilds College Waterhouse building, 1881-1883, including specification, 1881, plans, 1883;
Imperial College Student's Union, 1909-1956, including specification, 1910-1911, estimates for an extension, 1927-1928, residential hostels, 1924-1975;
correspondence relating to the chimney shaft of the Albert Hall, 1916-1954; papers relating to 52-55 and 69-72 Princes Gate, 1972-1981; correspondence on the use of the Chelsea Physic Garden by Imperial College, 1912-1976.

Papers relating to fundraising for the buildings of Bedford College, 1897-1981, notably minutes, 1897-1905, and correspondence, 1905-1917, of the Endowment and Buildings Fund Committee; minutes and papers of various Appeals Committees, 1906-1916; correspondence, 1910-1933, concerning financing of building schemes at the Regent's Park site; papers of the Extension Fund Committee, 1919-1932, including committee minutes, minutes and correspondence of the Publicity Sub-Committee, appeal letters, programmes and leaflets for fundraising plays. Material relating to building and development at the Regent's Park site, 1910-1947, including architects' correspondence, mainly from Basil Champneys, concerning plans for the new Bedford College buildings at Regent's Park and the progress of the building work, 1910-1917; Champney's plans, 1913, for the Administrative Block, Senior Common Room, and Science Blocks A and B; plans by Haddocks of the Bursar's Office, 1922; plan and elevations of South Villa, 1926, by Simpson and Maxwell Ayrton; engineer's plans for the Botany Greenhouse and the heating system in the Physiology Laboratory, 1925; plans and watercolour impressions of the Tate Library, 1910, by J R Smith; coloured plans for the layout of rooms in the Physiology Laboratories, [1913]; Maxwell Ayrton's plans, 1925-[1930], for the Tuke Building; correspondence and plans relating to the drainage system at Bedford College, 1920-1947. Papers concerning post-war rebuilding of the Regent's Park site, 1942-1980, notably plans, 1942-1957, by Maxwell Ayrton of Oliver Block, the Herringham Building, the North Science Block (Darwin Building), and extensions to the Tuke Building; correspondence, papers and plans relating to the Tuke-Darwin Infill, 1966-1972; correspondence and plans relating to the Development Programme, 1964-1980, including a report on future library accommodation in the Acland Building, 1971, and proposed plans for an Oliver Infill, a Bedford College Union Society Building and a North Spur, 1979-1980; correspondence concerning the purchase of land for sports facilities, 1922-1925 and 1969-1971. Bursar's papers, 1924-1985, relating to the maintenance of Bedford College buildings, including minutes of the Premises Sub-Committee (Bursar's Meetings), 1965-1976, and minutes and papers of Special Bursar's meetings, 1982-1984; minutes, papers and accounts, 1966-1981 of the Refectory; Bursar's correspondence, 1924-1959; Bursar's working papers, 1978-1981; Bursar's copy of a management study on the efficiency of the Bedford College Administration, 1971, and the Peat-Matwick Report on the financial implications of the merger with Royal Holloway, 1983; minutes and papers of the Safety Committee, 1974-1985, and the General Services Sub-Committee, 1979. General material relating to the Bedford College Halls of Residence, 1873-1982, including legal correspondence concerning the lease and purchase of residential properties, 1922-1953; minutes and papers of the Lodgings Sub-Committee, 1892-1921, formed to vet accommodation offered to students; bound volume of letters offering lodgings to students, 1934-1937; correspondence concerning general policy matters, 1956-1974, and financial management, 1974-1982, of residential Halls; minutes and papers of the Halls of Residence Sub-Committee, 1976-1978; Boarding House accounts, 1873-1901. Correspondence and papers relating to the purchase, lease and maintenance of specific properties used as Halls of Residence, 1895-1985, namely 7, 8, 9, 10 and 28 York Place; South Villa; 17, 20, 35, 36 and 37 Dorset Square (Notcutt House); Bedford College House (Adamson Road and Buckland Crescent), later Lindsell Hall; Hanover Lodge, including plans and Warden's papers; Tennyson Hall; York Gate and Nottingham Terrace; The Holme; Broadhurst Gardens; Nottingham Place (Rachel Notcutt Hall); and St John's Lodge.

Papers, 1887-1977, relating to Blackwell's time as Head of Botany at Royal Holloway College, University of London, notably correspondence with her parents, 1922-1945, discussing life at Royal Holloway College; letters of congratulation on her appointment as Head of Botany at Royal Holloway College, 1922; correspondence and notes, 1928-1949, relating to gifts to Royal Holloway College; personal correspondence, 1941-1970, notably with Ellen Charlotte Higgins, former Principal of Royal Holloway College, (Elsie) Marjorie Williamson, Principal of Royal Holloway College, and John Cameron; papers, 1887-1969, relating to the Royal Holloway College Botany Department, including Botany Lunches, 1949-1977, Botany School Record Books, 1887-1969, and correspondence relating to field trips, 1930-1944; Blackwell's copies of the Royal Holloway College Boat Club Rules, 1914-1918, and the Royal Holloway Rules and Regulations, 1925; notes, memoranda, correspondence, minutes and reports of the University of London Botanical Supply Unit, 1944-1952; invitations and Christmas cards, 1922-1963; autograph books, 1922-1950, including one presented to Blackwell by her old students and staff at a luncheon at the Forum Club, [London], 1950. Records, 1897-1971, relating to the history of Royal Holloway College and the Botany Department, including press cuttings, photographs, memoirs, correspondence and draft articles, notably and article by Blackwell entitled '75 years of Royal Holloway College Botany Department', copies of College songs, and obituaries of old colleagues and students. Publications, 1902-1949, mainly comprising histories of the Botanical Departments of Liverpool and Manchester Universities. Photographs, 1880-1970, including the Botany Department staff and students, 1898-1962; Botany Department field trips, 1898-1948; Royal Holloway College staff, buildings and grounds, 1908-1952; Botany laboratories and gardens, 1912-1949; social and botanical activities at Royal Holloway College, 1927-1955.

Correspondence, 1892-1943, between Benson and various academic colleagues, mainly on subjects relating to botany, and the reading and publication of papers by women to scientific societies, notably with Professor Francis Wall Oliver, Professor of Botany at University College London, Professor Sir Albert Charles Seward, Professor of Botany at Cambridge University, and Dukinfield Henry Scott, President of the Linnean Society. Papers, 1871, 1906 and [1936] relating to Benson's death, including her childhood exercise book, 1897, given to Professor Elizabeth Marianne Blackwell, Head of Botany at Royal Holloway College, various copies of the obituary notice written by Blackwell, [1936], and material relating to a bequest by Benson to the Botanical Laboratory at Royal Holloway College, [1936]. Photographs, [1893-1922] of staff and student life at Royal Holloway College, including boating scenes, costume tableaux in the College quad, formal portraits of Benson in academic dress, and laboratories in the College.

Records comprise papers of the Aeronautics Department of Imperial College, including notes on the department by Professor William Ernest Dalby, 1916, and Professor G Jackson, 1957; papers of the Aeronautics Committee and Advisory Committee on aeronautical education, 1909-1934; foundation of the Zaharoff Chair of Aviation, 1916-1923; correspondence of Professor Sir Richard Glazebrook, 1907-1923, Professor Sir Leonard Bairstow, 1920-1949, Professors Hall and Squire, 1945-1957; Rectors' correspondence, 1950-1981; research projects and reports, 1973- 1974; opening of the Donald Campbell Memorial laboratory, 1980-1981 (KA);
papers of the Meteorology Department, including a departmental history from 1920-1952, 1966; correspondence of Professor Sir Napier Shaw, 1920-1924; Professors Sir Gilbert Walker and Sir David Brunt, 1924-1935; the Rector Sir Patrick Linstead, 1955-1966; correspondence concerning the proposed Institute of Meteorology, 1937-1939, 1948; future of the department, 1968-1974 (KAM);
papers of the Physiological Flow Studies Unit, including reports, 1966; opening of the Charles Hayward Research Laboratory, 1976; papers relating to the Hayward foundation, 1973-1987; correspondence of the Rector concerning grants, 1966-1979; setting up and organisation of the unit, 1965-1979; association with the Aeronautics Department, 1967-1979; conferences (KAP);
press cuttings relating to the Centre for Biological and Medical Systems (KAPA).