The series consists of chiefly of letters written by Osler that Cushing collecting during the preparation of his biography, The Life of Sir William Osler, between the years of 1920 and 1924. The letters in the series include both originals and transcriptions. The series also contains accompanying notes (both by Cushing and by Osler), clippings, articles, and other ephemera related to Osler.

This series contains working papers, notes, drafts, articles, and ephemera compiled by Cushing during the preparation of his biography of Sir William Osler. The material is arranged alphabetically generally by topic or author. There are also two files of Cushing's correspondence related to the publication of the biography.

This series contains of Cushing's typewritten drafts of chapters from his book, The Life of Sir William Osler. The series is arranged into files corresponding to chapter divisions.

Visual documents produced by Pappius that are not integrated into the documentation of a specific activity. Images of colleagues and rat brains.

Purposeful collections kept by Pappius that do not document a specific single activity or group of activities.

Correspondence unrelated to specific activity. Correspondents are predominantly colleagues at the MNI/H or other researchers. Most files contain both received correspondence and carbon copies of outgoing correspondence.

Documents concerning Pappius’s membership in professional organizations and non-remunerative work undertaken outside of her roles at the MNI/H.

Documents concerning administrative activities undertaken by Pappius in support of her remunerative work. Includes activities at the MNI/H not directly related to research and teaching.

Documents concerning Pappius’s teaching activities, predominantly advising and serving on committees of M.Sc. and Ph.D. students. Some material related to teaching courses.

Documents related to Pappius’s participation in and organization of symposia, conferences, and other academic events.