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).