Papers of the World Organisation of Gastroenterology, 1958-2000, comprising administrative records, 1958-1995; publications including congress reports, bulletins, newsletters and World Gastroenterology News, 1935, 1958-1995; photographs and long playing records.

Papers of the Travelling Surgical Society, 1924-1995, comprising minute books, 1944-1984; annual reports, 1925-1995; photographs, 1958; and records of visits to hospitals in Britain and Europe.

Records of Imperial College relating to other Universities, 1907-1989, principally the University of Sheffield, comprising correspondence on the affiliation of the Metallurgical Department, 1907-1916 (UAS);
papers relating to Technical Colleges, notably reports, 1908-1910, correspondence with Guildford Technical College, 1939-1949, Camborne School of Metalliferous Mining, 1909-1939, Royal School of Science, Toronto, Canada, 1964-1969 (UC); secondment of staff to India and Pakistan, 1959-1960 (UD);
correspondence and papers relating to Student Exchange Schemes, 1909-1975, including with American and German Institutions, Commonwealth Fund Fellowships, 1950-1969 (UE);
papers relating to overseas Universities, 1937-1976, including Chile Catholic University, 1938, correspondence with the Delhi Institute of Technology, India, 1946-1976, Grandes Ecoles, Paris, France, 1972-1976, Baghdad University of Technology, Iraq, 1975, Nigerian Institutions, 1975-1989, Aria Mehr University, Tehran, Iran, 1967-1976 (UF);
papers concerning the Association of University Teachers Imperial College branch, 1919-1992, notably correspondence, 1919-1977 (UG).

Papers of Club 1943, [1970s-1980s], comprise a 40th anniversary report of Club 1943 including a list of all the lectures given, arranged alphabetically by name of speaker, 1983; printed leaflet detailing the activities and membership of the club, [1970s-1980s], and a handwritten and typescript history of the club by J Lesser, [1970s-1980s].