Notes by John Dixon on medical matters and on things of personal interest to him such as astrology and photography spanning his entire career, 1848-1903. MS.5191 comprises more formal material, namely certificates and indentures.

Papers and research notes of Alec Haggis relating to medical history. Many relate to Haggis's research into medical licensing in England and Wales prior to the Act of 1858.

Official papers of Sir Frederick Hobday as Principal of the Royal Veterinary College (RVC), [1914-1937], including RVC committee papers including the Finance Committee, 1914-1921; General purposes committee, 1914-1921; and the London University Subcommittee; papers of the RVC General Purposes Committee on reorganising and rebuilding the College 1928-1933; report and memorandum of the advisory committee on the Royal Veterinary College on the siting of a research institute in veterinary pathology; report of development commission advisory committee into research on diseases of animals, 1922; memorandum of report of Ministry on the advisability of removing the Royal Veterinary College to Cambridge; Senate minutes including on a consideration of revision of BSC Veterinary Medicine at Senate, 20 Dec 1933; papers of the Academic Board, 1927-1932; minutes of Governor's meetings, 1914-1932; papers of the annual meeting of the RVC, 1914-1921 and papers relating to the building of the new College buildings at Camden Town, 1934.

Papers relating to events including the RVC 1937 opening ceremony; visit of Mayor of St Pancras to the RVC; Lord Mayor's Procession, 1931; Lord Mayor's Show, 1934; Sir Frederick Hobday Complimentary Dinner, 1933; the great thoroughbred contest, 1934; the Animals' Hospital Ball, 1933 and Flag day, 1933.

Papers relating to fundraising including RVC appeal letters, 1931-1933; Herbert Buckingham fund raising correspondence, 1927-1936; Our Dogs appeal, 1931; Dog World Appeal, 1931; Suffolk women's appeal; donations to rebuilding and endowment fund, General expenses fund (for special purposes and general expenses) and the South Eastern Jersey club appeal.

Papers relating to conferences, 1928-1932, including the National Veterinary Medical Association Congress, Sep 1929; RVC timetables; RVC monthly examination papers, 1927-1934; RCVS Examinations and mark books; papers relating to students including on scholarships and female students; financial papers including private account invoices; clocking on lists; papers relating to canine hysteria, 1934; applications and testimonials for posts in the RVC, 1933-1934; press cuttings including cuttings relating to the RVC; papers relating to the Ministry of Agriculture and Fisheries: Amendments to handbook of diseases of animal acts. Returns of outbreaks of scheduled diseases, 1927-1929; papers relating to anti-vivisection including Anti-vivisection Research Defence Society papers; inventory of books and instruments bequeathed to the College by Hobday; anti-vivisection correspondence and propaganda and anti-vivisection journals, 1932-1935 and issues of journals including the University of London Gazette and the Veterinary Journal, 1933.

Correspondence including a run of general correspondence arranged alphabetically, 1933-1936 and correspondence on topics including lectures, 1932-1934; the humane treatment and killing of animals, 1933; export of horses, 1929-1932; the Mansion House meetings, 1936; notices, 1917-1927; and the Royal visit to open the new buildings at the RVC, 1937. Correspondents include Margaret Rees, 1933; London livery companies; the Royal College of Veterinary Surgeons; Toye Vise; overseas colleagues; the University of London, 1934-1935; the Ministry of Agriculture and Fisheries; James Basil Buxton, 1936 and Miss Hodge (Principal's secretary), 1936.

Papers relating to societies and organisations including: the Student Union Society; Students Veterinary Medical Association; Ministry of Agriculture and fisheries; Royal Society of Medicine, 1928-1934; University of London Animal Welfare Society, 1929-1934; Royal Army Veterinary Corps, 1932-1935; Model abattoir society; Silver Fox Breeders and Furriers Association; Society for the Protection of Animals in North Africa; National Greyhound Racing Society, 1933; Council of Justice to Animals, 1933; People's League of Health 1932-1933; Metropolitan Drinking Fountain Association; College of Pestology; Pharmaceutical Society of Great Britain; agricultural societies and poultry and bird societies.

Although the collection is by no means comprehensive, there are interesting records of many aspects of Wilson's career.

Section A. Biographical: Brings together material relating to obituaries, tributes, honours and awards. Includes Wilson's account of his First World War experiences and his assessment of his scientific publications. Section B. Research: Although not extensive, provides documentation of a number of Wilson's principal interests including the Salmonella group of bacteria and milk hygiene. There are three laboratory notebooks with experimental data covering the period 1919-45. Section C. Public Health Laboratory Service (PHLS): Relates chiefly to the unpublished history written by Wilson after his retirement as Director of the PHLS. There is also a little material relating to laboratory design and equipment and PHLS personnel. Section D. Lectures and publications: The most substantial in the collection. There are records of Wilson's lectures for a period of forty years from 1944, extensive documentation of the later editions of Principles of bacteriology and immunity, and editorial correspondence and papers for the British Journal of Experimental Pathology and the Journal of Hygiene. Section E. Societies and organisations: Documentation of Wilson's association with ten British organisations including the Medical Research Club, Medical Research Council and Veterinary Club. The Medical Research Council material relates to the Working Party on Tristan da Cunha which was set up to supervise medical investigations when the inhabitants were evacuated to Britain after the island's volcano erupted in 1961. There is also material relating to the Research Foundation, Chicago, which specialised in tuberculosis research, on whose medical advisory committee Wilson served. Section F. Visits and conferences: Records of a number of overseas trips in an advisory capacity for the World Health Organisation, including to Ethiopia 1964, Iraq 1965, Iran, Sudan and Egypt 1971 and the Philippines 1972, and records of international microbiology congresses. Section G. Correspondence: Although not extensive, includes a chronological sequence of scientific correspondence, 1930-1987, Wilson's collection of autograph letters addressed to Topley and himself, and references and recommendations. Section H. Photographs: Photographic records of Wilson, colleagues, conferences and PHLS laboratories. Section J. 'Biographical History of Bacteriology': Manuscript of Wilson's history, with correspondence about publication.