File consists chiefly of manusript notes by Cushing, including many quotations from Osler's writings.

File includes two holograph letters regarding Muirhead's publication of the memoir of Lady Osler, as well as carbon copy of the memoir.

File contains promotional review for Cushing's Life of Sir William Osler, letters, newspaper clippings, and ephemera.

File consists of letters from Revere Osler to his mother, as well as Cushing's manuscript letters, notes on books, and other ephemera related to Revere. Also includes a letter from Rudyard Kipling to Lady Osler.

File consists of an unpublished paper by Osler: "The College of the Book" (9 pages, scraps of memoranda found written on a pad and forwarded by Lady Osler on January 1921) ; and the Official Register of Harvard University, vol. XX, April 18, 1923, no. 19, Division of the Fine Arts, 1923-1924.

File consists of correspondence, pamphlets, notes, clippings, and typescripts, organized by subject alphabetically by the letter R. Includes calendar and supplement to bulletin from the Royal Society of Medicine and letters and notes on Osler's involvement with the Royal Society.

File consists of correspondence, pamphlet and clippings, including report regarding the Association of Physicians of Great Britain and Ireland, form letters, pamphlets, and clippings about the Boston Athenaeum Club.

File contains letters (chiefly copies) from family members and acquaintances, many copies of letters to Cushing as well as from Osler, ephemera, manuscript notes by Cushing and others.

File consists of letters, reports, and school timetables, related chiefly to the University of London School of Librarianship.