The fonds consists of correspondence, minutes of meetings, and reports relating to the various committees on which Anna Leith served during her career in the UBC Library system. In particular, the fonds contains material relating to the Woodward Library, the UBC Health Sciences Centre and the B.C. Medical Centre.

Fonds consists of correspondence, reports, course materials, minutes and agendas, published materials, photographs, and audiovisual materials. It is arranged in fifteen series: Personal Material (1943-1986); Correspondence (1958- 1982); Articles, Speeches, and Reports by Detwiller (1952-1982); Courses Taught (1953-1980); Conferences, Seminars, and Workshops (1964-1984); Greater Vancouver Regional Hospital District (1953-1984); UBC Health Sciences Centre (1946-1986); Hospital Equipment Mission (1967-1980); Study Tour of Australian Health Systems (1972-1979); Publications, Speeches, and Conferences (1953-1984); UBC (1974-1985); B.C. Hospital Insurance Service (1949-1973); Miscellaneous Organizations (1968-1986); Research Collection (1943-1985); and Tapes and Photographs series (1964-1984).

The fonds consist of research material on various medical and historical topics and research for several of Gibson's books and articles, including his books about UBC's first president Frank F. Wesbrook, Ramon y Cajal Sherrington, and his books New Endeavour and Old Endeavour. In addition, the fonds include manuscripts of a number of Gibson articles and speeches and chapters from some of his books, records from Woodward Health Science centre, and documents for the history of the Faculty of medicine and related to Green College UBC and Oxford. Also included are records from the Agricultural Science Fund Committee (1967-1974), School of Rehabilitation Medicine (1953-1961), Master Teaching Awards Committee (1967-1972), minutes from the Council of the Faculty of Medicine (1950-1964), materials relating to Vancouver civic politics (1970-1984), and correspondence with Sir Frederick Dainton (1980-1983), Cecil Green, and Wilder Penfield among many others.